{"title":"Robert Oster Bottled Inks","description":"\u003cp\u003eFull-size Robert Oster fountain pen inks carried by Boston Lore Studio, including regular and shimmer formulations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrowse Ink:\u003c\/strong\u003e \u003ca href=\"\/collections\/ink\"\u003eAll Ink\u003c\/a\u003e · \u003ca href=\"\/collections\/bottled-inks\"\u003eBottled Ink\u003c\/a\u003e · \u003ca href=\"\/collections\/wearingeul-bottled-inks\"\u003eWearingeul\u003c\/a\u003e · \u003cstrong\u003eRobert Oster\u003c\/strong\u003e · \u003ca href=\"\/collections\/j-herbin-bottled-inks\"\u003eJ. Herbin\u003c\/a\u003e · \u003ca href=\"\/collections\/anderillium-bottled-inks\"\u003eAnderillium\u003c\/a\u003e · \u003ca href=\"\/collections\/ink-sets\"\u003eInk Sets\u003c\/a\u003e · \u003ca href=\"\/collections\/ink-cartridges\"\u003eInk Cartridges\u003c\/a\u003e · \u003ca href=\"\/collections\/collections-5ml-fountain-pen-inks\"\u003e5 mL Ink Archive\u003c\/a\u003e · \u003ca href=\"\/collections\/ink-swatch-tools\"\u003eInk Swatch Tools\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"robert-oster-black-violet-50ml-fountain-pen-ink","title":"Robert Oster Black Violet Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Black Violet lives close to the border between purple and black. It is dark enough for long-form writing, but the violet undertone keeps the page from feeling flat or ordinary.\u003c\/p\u003e\u003cp\u003eReview testing shows medium-low shading and only a trace of reddish sheen, usually in heavier pooling rather than across ordinary lines. It is therefore better understood as a dark violet writing ink than as a showy sheen ink. On fountain-pen-friendly paper, broader and wetter nibs reveal more of the purple beneath the near-black surface.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e deep black-violet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e low to medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e very slight reddish sheen in pooled areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e everyday writing, notes, correspondence\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBlack Violet is useful when black feels too severe and bright purple feels too conspicuous: a quiet, serious ink with just enough color to reward a closer look.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127014924513,"sku":"RO-50510-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-black-violet-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-blue-denim-50ml-fountain-pen-ink","title":"Robert Oster Blue Denim Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Blue Denim is not the faded blue-grey its name might suggest. It is a saturated medium blue with a slight green cast, enlivened by pronounced tonal variation and a warm red-pink sheen on suitable paper.\u003c\/p\u003e\u003cp\u003eIndependent reviewers repeatedly note strong shading, good lubrication, and reliable flow. The sheen becomes easiest to see in broad or wet nibs and on papers such as Tomoe River; finer or more absorbent paper may show mostly the blue and its shading. Water resistance is very low.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e saturated medium blue with a slight green undertone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium to high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e red to pink, strongest in wetter writing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e smooth, moderate to wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e very low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, expressive everyday writing, correspondence\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBlue Denim is a useful example of why blue ink need not be conventional: the base color is easy to read, while the shading and edge sheen give the page unmistakably fountain-pen character.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127015186657,"sku":"RO-50122-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-blue-denim-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-blue-water-ice-50ml-fountain-pen-ink","title":"Robert Oster Blue Water Ice Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Blue Water Ice is a bright blue with a clear turquoise pull, somewhere between traditional mid-blue and sunlit tropical water. It remains highly legible while carrying much more movement than a standard office blue.\u003c\/p\u003e\u003cp\u003eAcross independent reviews, the ink shows medium shading and a red or pink edge sheen on ink-friendly paper. Flow is generally reported on the wet side, with smooth, generous delivery; dry time varies with paper and nib because wetter lines naturally take longer. Water resistance is low.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e bright turquoise-blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e light red-pink edge sheen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e wet to moderately wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e everyday writing, journaling, broad or stub nibs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn a fine nib, Blue Water Ice reads as a lively, clean blue. Give it a wetter nib and good paper, and the darker shading and warm edge sheen begin to appear.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127015219425,"sku":"RO-50191-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-blue-water-ice-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-bronze-50ml-fountain-pen-ink","title":"Robert Oster Bronze Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Bronze is a brown ink with a distinct green undertone, especially visible in its lighter strokes. The result is less like polished metal than aged bronze: earthy, muted, and quietly complex.\u003c\/p\u003e\u003cp\u003eIndependent reviews emphasize the color shift between brown and green and the way heavier applications become much darker. Shading is an important part of the ink’s appearance; the green component is easier to see in lighter areas and broader tonal transitions. It is a standard dye ink with no shimmer.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e earthy brown with green undertones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e little to none in ordinary writing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, sketch notes, correspondence\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBronze rewards the kind of paper and nib that let shading breathe. It can look brown at first glance, then disclose an olive-green cast as the line thins.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127015350497,"sku":"RO-50397-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-bronze-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-deep-sea-50ml-fountain-pen-ink","title":"Robert Oster Deep Sea Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Deep Sea is a saturated teal that moves between blue-green depths and brighter turquoise passages. On fountain-pen-friendly paper, a pink sheen can surface over the darkest pooled areas, giving the color a second layer without changing its basic readability.\u003c\/p\u003e\u003cp\u003eIndependent testing generally finds medium shading, visible pink sheen, and average flow. The sheen is paper-dependent: on absorbent paper it may nearly disappear, while coated paper and wetter nibs allow it to develop. This is not a shimmer ink.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e deep teal \/ blue-green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e pink on ink-friendly paper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, correspondence, medium and broad nibs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDeep Sea is restrained enough for long passages, but good paper reveals the hidden warmth at the edges of its darkest strokes.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127015383265,"sku":"RO-50266-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-deep-sea-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-eucalyptus-leaf-50ml-fountain-pen-ink","title":"Robert Oster Eucalyptus Leaf Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Eucalyptus Leaf is a mossy, natural green with warm undertones and the slightly muted character of foliage rather than jewel-toned emerald. In lighter strokes the green opens up; in wetter passages it deepens toward evergreen.\u003c\/p\u003e\u003cp\u003eIndependent reviews consistently praise its shading. Flow is often described as wetter than many Robert Oster inks, though drier pens can actually show the tonal variation more clearly. Sheen is negligible in ordinary writing, and water resistance is essentially absent.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e mossy medium-to-dark green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium to high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e little to none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderately wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e very low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e everyday writing, journaling, nature sketches\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEucalyptus Leaf feels organic rather than decorative: a green that changes gently across the line and looks especially convincing on ivory or cream paper.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127015481569,"sku":"RO-50629-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-eucalyptus-leaf-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-gold-antiqua-50ml-fountain-pen-ink","title":"Robert Oster Gold Antiqua Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Gold Antiqua occupies the difficult space between yellow, ochre, and brown. In lighter writing it reads as antique gold; in pooled areas it turns rustier and can become almost velvety dark.\u003c\/p\u003e\u003cp\u003eIndependent reviews agree that this is a strong shading ink with a broad tonal range. It tends to dry relatively quickly and behaves well on a variety of papers. The dramatic darkening in pooled areas is primarily saturation and shading rather than metallic shimmer. Water resistance is very low.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e antique gold \/ ochre-brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e little to none; very dark pooling can resemble sheen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e very low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e correspondence, journaling, cards, broad or wet nibs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGold Antiqua has the look of old paper, tarnished metal, and dried grasses—an unusual color that becomes much more legible and complex once it is actually put into a pen.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018397921,"sku":"RO-50390-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-gold-antiqua-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-jade-50ml-fountain-pen-ink","title":"Robert Oster Jade Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Jade sits between leaf green and warm olive, with a yellow-gold undertone that gives it a natural, slightly weathered character. It is not a cool blue-green; on the page it feels closer to moss, fresh leaves, and sunlit vegetation.\u003c\/p\u003e\u003cp\u003eThe ink is especially attractive in broader or wetter nibs, where its shading becomes more pronounced and the writing shifts from lighter yellow-green passages to deeper, more saturated green. Independent testing consistently describes Jade as a shading ink rather than a sheening ink: darker pooling may appear around the edges of heavy strokes, but it does not produce true metallic sheen. There is no shimmer.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e warm yellow-green \/ leafy green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium to pronounced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate to wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e very low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, correspondence, expressive everyday writing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eJade is one of those inks that rewards slower observation. In a fine nib it can appear restrained and botanical; in a broader nib, its warmer undertones and darker shading become much more apparent.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018528993,"sku":"RO-50506-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-jade-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-melon-tea-50ml-fountain-pen-ink","title":"Robert Oster Melon Tea Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Melon Tea is a cool brown with olive-green and grey undertones—a color that can seem to shift with the light. Under warmer artificial light the olive side may become more obvious; in daylight the ink often reads as a more straightforward brown.\u003c\/p\u003e\u003cp\u003eIndependent reviewers report smooth, reliable flow and subdued-to-medium shading. In heavier applications a low bronze-brown sheen can appear, but the ink’s main appeal is its complex base color rather than dramatic sheen. It is a standard dye ink with no shimmer.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e cool brown with olive-green undertones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e low to medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e low bronze-brown in heavier pooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e smooth, moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, correspondence, sketch notes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMelon Tea is difficult to reduce to one color name, which is precisely its charm: brown at first glance, then olive, smoke, and muted bronze as the line changes.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018561761,"sku":"RO-50556-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-melon-tea-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-river-of-fire-50ml-fountain-pen-ink","title":"Robert Oster River of Fire Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster River of Fire is a dark forest green with a hidden warm counterpoint: on ink-friendly paper, a red sheen appears where the green pools most heavily.\u003c\/p\u003e\u003cp\u003eReviewers agree on the red sheen but differ on how much shading appears, which is a useful reminder that nib and paper matter greatly with this ink. In wetter writing it can look highly saturated with relatively little variation; in other combinations the green shows considerably more tonal change. Flow is generally moderate to generous, and water resistance is low.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dark forest green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e low to high depending on nib and paper\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e red, strongest in heavy pooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate to wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, expressive writing, wet nibs and sheen-friendly paper\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRiver of Fire earns its name not through glitter, but through contrast: cool, wooded green with a warm red edge that reveals itself only when the writing conditions allow it.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018627297,"sku":"RO-50297-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-river-of-fire-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-school-blue-50ml-fountain-pen-ink","title":"Robert Oster School Blue Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster School Blue is a dark, practical blue with enough shading to keep it from becoming anonymous. In larger swabs and wetter lines it can lean slightly teal, while finer writing stays closer to a classic dark blue.\u003c\/p\u003e\u003cp\u003eIndependent testing shows visible shading, modest sheen under favorable conditions, average flow, and low water resistance. It dries at a moderate pace and remains easy to read across nib sizes, making it one of the more straightforward Robert Oster colors for daily use.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dark blue with a slight teal cast in wetter areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e slight, paper-dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e everyday notes, study, correspondence, office writing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSchool Blue does exactly what a good everyday blue should do, but with enough tonal movement to remind you that the line came from a fountain pen rather than a disposable ballpoint.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018823905,"sku":"RO-50843-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-school-blue-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-sepia-nights-50ml-fountain-pen-ink","title":"Robert Oster Sepia Nights Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Sepia Nights is a deep walnut brown with a quiet purple undertone. It is darker and cooler than traditional golden sepia, giving the page an archival mood without looking artificially antique.\u003c\/p\u003e\u003cp\u003eIndependent testing finds low shading, no sheen, no shimmer, and average flow. It behaves well on fountain-pen-friendly paper and is comparatively restrained: the interest comes from the unusual purple-brown base rather than special effects.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e deep walnut brown with purple undertones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e long-form writing, journaling, correspondence\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSepia Nights is especially suited to writers who like old-paper colors but want something darker and less nostalgic—a brown with shadow in it.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018889441,"sku":"RO-50890-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-sepia-nights-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-smokescreen-50ml-fountain-pen-ink","title":"Robert Oster Smokescreen Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Smokescreen resists a simple color label. It begins as a deep burgundy-brown when wet, then settles toward a greyed brown or dusky purple as it dries. That shift gives the ink its smoky, ambiguous character.\u003c\/p\u003e\u003cp\u003eReviewers consistently note visible shading and the strong purple undertone. Flow tends to lean slightly dry, which can help preserve the lighter and darker transitions in the line. It is not a shimmer ink and is not primarily a sheen ink.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e purple-brown \/ greyed burgundy-brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e little to none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e slightly dry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, literary correspondence, sketch notes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSmokescreen changes while you watch it dry, making it an ink for people who enjoy colors that refuse to stay neatly inside a category.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018922209,"sku":"RO-50905-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-smokescreen-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-summer-storm-50ml-fountain-pen-ink","title":"Robert Oster Summer Storm Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Summer Storm is a changeable grey-purple whose transformation happens on the page. Freshly written lines can begin dull grey, move through blue as they dry, and settle into a muted purple.\u003c\/p\u003e\u003cp\u003eIndependent reviews consistently highlight this color shift and its medium-to-strong shading. The ink tends to write drier than many Robert Oster colors and shows no meaningful sheen or shimmer. It is at its best in medium, broad, or otherwise generous nibs that keep the pale tones legible.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dusky grey-blue-purple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium to high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e dry to moderately dry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, letters, medium and broad nibs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSummer Storm is less a single color than a weather change in miniature: grey when it arrives, blue in transition, and purple once the page is still.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127018987745,"sku":"RO-50910-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-summer-storm-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-sydney-darling-harbour-50ml-fountain-pen-ink","title":"Robert Oster Sydney Darling Harbour Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Sydney Darling Harbour is a dusty slate-forest green originally released for the 2019 Sydney Pen Show. It is a muted urban green rather than a bright botanical one, with softened areas that can look almost clouded where the ink thins.\u003c\/p\u003e\u003cp\u003eIndependent reviews describe moderate shading and occasional peach-orange or pink undertones in very wet applications. Those secondary colors are most apparent in swabs and broad deposits; normal writing remains a subdued green. It is a standard dye ink without shimmer.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dusty slate \/ forest green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e little to none in normal writing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e everyday writing, correspondence, journaling\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSydney Darling Harbour is a green for writers who prefer atmosphere to brightness: muted, architectural, and quietly distinctive.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127022854369,"sku":"RO-50913-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-sydney-darling-harbour-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-viola-50ml-fountain-pen-ink","title":"Robert Oster Viola Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Viola is a dusty light purple with a strong blue undertone. It has the soft, springlike quality of lilac, but enough blue in the mix to keep it from becoming sugary or overly pink.\u003c\/p\u003e\u003cp\u003eIndependent reviewers note attractive shading and generally average flow. Some wet-writing tests show a soft blue sheen or edge definition, while others emphasize the blue undertone rather than true sheen; it is safest to think of Viola as a shading purple whose secondary effects depend on paper and saturation.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dusty lilac-purple with a blue undertone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e subtle blue edge effect in some wet applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, letters, expressive notes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eViola is light without becoming faint: a softened purple that feels literary and personal, especially on cream paper or in a broader nib.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127023018209,"sku":"RO-50502-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-viola-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-caffe-crema-50ml-fountain-pen-ink","title":"Robert Oster Caffè Crema Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Caffè Crema is a warm, coffee-toned brown with an orange-gold cast, moving from light crema-colored strokes to much deeper brown where ink gathers. It feels particularly at home in journals, letters, and notebooks with cream paper.\u003c\/p\u003e\u003cp\u003eReviews consistently show strong shading and very dark, nearly black sheen in heavily pooled areas. In normal handwriting the shading is the dominant effect; the dark sheen is more selective. Flow tends to be slightly dry to moderate while remaining smooth and controlled.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e warm golden-brown \/ coffee brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e dark brown to black in heavy pooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e slightly dry to moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, letters, vintage-toned paper\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCaffè Crema is one of those browns that makes the mechanics of fountain-pen writing visible: every pause and change of pressure leaves a slightly different concentration of color.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127023050977,"sku":"RO-50244-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-caffe-crema-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-fire-and-ice-50ml-fountain-pen-ink","title":"Robert Oster Fire \u0026 Ice Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Fire \u0026amp; Ice is one of the inks that helped define the modern appetite for expressive blue. Its turquoise-blue base can shade from bright aquatic blue to deeper tones, while a red-pink sheen appears where enough ink gathers on the right paper.\u003c\/p\u003e\u003cp\u003eIndependent reviews consistently identify both shading and sheen, but the degree of sheen depends heavily on paper, nib width, and flow. This is a sheening dye ink, not a shimmer ink: there are no suspended glitter particles. Flow is generally moderate, and water resistance is low.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e bright turquoise-blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e red to pink, paper-dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e expressive everyday writing, journaling, broad or wet nibs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn ordinary writing Fire \u0026amp; Ice remains a lively blue; on sheen-friendly paper, the warm halo appears like a second color at the edge of the stroke.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127023247585,"sku":"RO-50112-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-fire-and-ice-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-great-southern-ocean-50ml-fountain-pen-ink","title":"Robert Oster Great Southern Ocean Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Great Southern Ocean is a deep, saturated blue that feels darker and more open-water than tropical. On good paper, reddish sheen can appear over the deepest pools of color.\u003c\/p\u003e\u003cp\u003eIndependent reviews find only a little shading but a noticeable reddish sheen in heavier applications, with average flow and generally reliable behavior. In normal writing it remains first and foremost a dark blue; the sheen is a secondary reward for wet nibs and ink-friendly paper.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e deep ocean blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e low to medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e reddish in pooled areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e everyday writing, correspondence, professional notes with character\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGreat Southern Ocean is a useful dark blue for writers who want seriousness on the page without surrendering the subtle color play that fountain pens can provide.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127023280353,"sku":"RO-50515-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-great-southern-ocean-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-motor-oil-50ml-fountain-pen-ink","title":"Robert Oster Motor Oil Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Motor Oil is a dark, murky brown with enough black and olive depth to justify its industrial name. It can look nearly black in dense areas, then open into warmer brown where the line thins.\u003c\/p\u003e\u003cp\u003eIndependent reviews describe dark shading and black sheen in heavily saturated areas, with a smooth, slightly wet writing feel. The sheen is most visible on coated, fountain-pen-friendly paper; ordinary paper will show mainly the dark brown base.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e very dark brown with murky olive-black depth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium to high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e black in heavy pooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderately wet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e journaling, sketch notes, everyday writing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMotor Oil is a brown for writers who prefer shadow to warmth: dense, unusual, and particularly handsome next to cream paper and brass desk tools.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127023313121,"sku":"RO-50225-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-motor-oil-fountain-pen-ink-swatch-card.png?v=1789523196"},{"product_id":"robert-oster-rose-gold-antiqua-shimmer-50ml-fountain-pen-ink","title":"Robert Oster Rose Gold Antiqua Shimmer Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Rose Gold Antiqua is a dusty rose-pink from the Shake ’N’ Shimmy line, illuminated by fine copper-gold shimmer. The effect is softer than a bright metallic ink: the shimmer sits within a muted rose base and becomes most visible as the page moves through the light.\u003c\/p\u003e\u003cp\u003eIndependent tests report low-to-medium shading, no true sheen, and a slightly dry-to-moderate flow. Water resistance is low. As with any particulate shimmer ink, broader or wetter nibs generally show the effect more readily, and occasional agitation helps keep the shimmer suspended.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dusty rose \/ deep muted pink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e low to medium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e copper-gold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e slightly dry to moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e correspondence, journaling, cards, medium and broad nibs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRose Gold Antiqua feels less like glitter added to pink and more like an old metallic surface seen through rose-colored glass—subtle enough for writing, but unmistakably luminous when the light catches it.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127024296161,"sku":"RO-15566-50ML","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-rose-gold-antiqua-shimmer-fountain-pen-ink-swatch.png?v=1789523168"},{"product_id":"robert-oster-thunderstorm-50ml-fountain-pen-ink","title":"Robert Oster Thunderstorm Fountain Pen Ink — 50 mL","description":"\u003cp\u003eRobert Oster Thunderstorm is a dark blue-grey to blue-black, the color of a sky carrying more weather than light. Fine nibs can make it look nearly black; broader writing reveals the blue and grey beneath.\u003c\/p\u003e\u003cp\u003eReviewers agree on its dark, well-lubricated character but differ on sheen: some find none in ordinary writing, while heavy swabs can show maroon or greenish sheen. Medium-to-high shading is more reliable than sheen as a normal writing property. Flow is moderate and water resistance is low.\u003c\/p\u003e\u003ch3\u003eInk character\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e dark blue-grey \/ blue-black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShading:\u003c\/strong\u003e medium to high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheen:\u003c\/strong\u003e variable; most evident in heavy pooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimmer:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow:\u003c\/strong\u003e moderate, well lubricated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e low\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e work notes, long-form writing, correspondence\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThunderstorm is one of the quieter Robert Oster colors: professional at a glance, but full of blue-grey variation when you spend time with the page.\u003c\/p\u003e","brand":"Robert Oster","offers":[{"title":"50 mL","offer_id":49127024361697,"sku":"RO-50438-50ML","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/robert-oster-thunderstorm-fountain-pen-ink-swatch.png?v=1789523168"}],"url":"https:\/\/bostonlore.com\/collections\/robert-oster-bottled-inks.oembed","provider":"Boston Lore Studio","version":"1.0","type":"link"}