{"title":"Waterproof Fountain Pen Ink","description":"\u003cp\u003eA couple of notes here - some 'waterproof' inks can still be washed out somewhat with water, but they should leave at least a legible mark behind.\u003c\/p\u003e\n\u003cp\u003eAnd while these should all be safe to use in fountain pens, some extra care is a good idea - don't let these inks dry out in a pen, they're much safer used regularly, and flushed out well if you're not going to use the pen for a while.\u003c\/p\u003e\n\u003cp\u003eDiamine's Registrar's Ink especially, requires some care, and can clog pens, use at your own risk! But it's also a very unusual ink to find these days - a real archival ink as used by registrars for many, many years.\u003c\/p\u003e","products":[{"product_id":"diamine-registrars-ink-100ml-bottle","title":"Diamine Registrar's Ink 100ml Bottle","description":"\u003cp\u003ePermanent archival blue-black ink based on an iron-gall formulation, as used by registrars and the clergy for official documents.  Iron gall ink formulations have been used for around 1,500 years, and many of the world's most historic documents have been written using it.  This ink will remain legible for hundreds of years.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This is an iron-gall ink, which contains particles that can clog fountain pen feeds. It's also acidic, which can damage steel nibs. Use with caution, and at your own risk. Not for use in valuable pens.\u003c\/p\u003e\n\n\u003cp\u003eAs with all Diamine inks, Registrar's Ink is vegan-friendly.\u003c\/p\u003e","brand":"Diamine","offers":[{"title":"Default Title","offer_id":43642436944115,"sku":"DM51014","price":14.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/DM51014_Diamine-Registrars-Ink-100ml_P1.jpg?v=1663343062"},{"product_id":"montblanc-ink-cartridges-permanent","title":"Montblanc Ink Cartridges Permanent","description":"\u003cp\u003eMontblanc ink cartridges, containing permanent fountain pen ink.\u003c\/p\u003e\n\n\u003cp\u003eInternational standard cartridges of the short type, suitable for many other fountain pens. Montblanc don't just follow this standard - it was their cartridges that created the standard so many other manufacturers now use.\u003c\/p\u003e","brand":"Montblanc","offers":[{"title":"Black","offer_id":43642607796467,"sku":"MB72842-BK","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":43643180613875,"sku":"MB72842-BU","price":10.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/MB72842-BK_Montblanc-Ink-Cartridges-Permanent-Black_P1.jpg?v=1663348149"},{"product_id":"monteverde-documental-ink-bottle-30ml","title":"Monteverde Documental Ink Bottle 30ml","description":"\u003cp\u003eDocument-proof ink available in two colours.  Ink formula improves ink-flow, extends cap-off time, and lubricates and protects feeds from corrosion and clogging.\u003c\/p\u003e\n\n\u003cp\u003e30ml bottle.\u003c\/p\u003e","brand":"Monteverde","offers":[{"title":"Blue","offer_id":43642668318963,"sku":"MV52200-BU","price":12.0,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":43643213676787,"sku":"MV52200-BK","price":12.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/MV52200-BK_Monteverde-Documental-Ink-Bottle-30ml-Black_P1.jpg?v=1663349504"},{"product_id":"monteverde-documental-ink-bottle-90ml","title":"Monteverde Documental Ink Bottle 90ml","description":"\u003cp\u003eDocument-proof ink available in two colours.  Ink formula improves ink-flow, extends cap-off time, and lubricates and protects feeds from corrosion and clogging.\u003c\/p\u003e\n\n\u003cp\u003e90ml bottle.\u003c\/p\u003e","brand":"Monteverde","offers":[{"title":"Blue","offer_id":43642668548339,"sku":"MV52836-BU","price":24.0,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":43643213906163,"sku":"MV52836-BK","price":24.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/MV52836-BK_Monteverde-Documental-Ink-Bottle-90ml-Black_P1.jpg?v=1663349506"},{"product_id":"platinum-carbon-ink-bottle","title":"Platinum Carbon Ink Bottle","description":"\u003cp\u003ePlatinum's famous permanent waterproof ink.  Platinum Carbon Ink is pigmented ink suitable for fountain pens - for documents, drawings (including line and wash) and general-purpose use.  However, this ink does have the potential to damage pens if not used according to instructions.  This ink can dry and clog fountain pen feeds if left too long as it contains ultra-fine carbon particles.  It is only suitable for pens that are in daily use and if the pen is to be left more than a couple of days without use then we advise flushing the pen and converter.\u003c\/p\u003e\n\n\u003cp\u003eNow available in red, blue and sepia - see Platinum Pigment Ink.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIMPORTANT NOTE:  We will not accept liability for damage to fountain pens arising from use of this ink.  We do not recommend its use in vintage, valuable or sentimentally-valuable pens!  This ink should only be purchased by expert users who understand the risks associated with using it.  By ordering this item you confirm that you have read and understood this.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePlatinum Carbon Ink Notes\u003c\/h3\u003e\n\n\u003cp\u003eThe following is copied directly from Platinum and contains important information about using this ink.\u003c\/p\u003e\n\n\u003cp\u003eCarbon  Ink uses pigmented ink in order to improve the water-resisting  property, light stability and heat-resisting properties while normal  Black\/Blue Black ink is water-based with dyes.\u003cbr\u003eThat is why the carbon  ink is suitable for important documents such as official documents  which need to be stored for a long time. Some people use the carbon ink  to draw a rough design for a picture painted in watercolors or colored  inks because carbon ink is run-proof.\u003c\/p\u003e\n\n\u003cp\u003eYou should be careful, however, to deal with carbon ink in your fountain pen.\n\u003cbr\u003eUltrafine particle carbon powder was included in the ink.\n\u003cbr\u003eComparing  to the ink water-based with dyes, it tends to be stopped up because  particles are coarse. If you use your fountain pen with the carbon ink  everyday, there may not come problems but in case you have long period  to use the fountain pen, it will be clogged.\n\u003cbr\u003eIt causes serious problem because it is not easy to clean the pen clogged with the ink and dried up.\u003cbr\u003eHere are some tips about using carbon ink in your fountain pen.\u003c\/p\u003e\n\n\u003cp\u003e(1) Please pull out the ink cartridge\/converter you are using and clean the nib completely before you use the carbon ink.\n\u003cbr\u003e(2)  If you do not use the fountain pen in carbon ink for more than one  week, please pull out the ink and wash the ink converter thoroughly.\u003cbr\u003e\u003cbr\u003eWe  recommend this carbon ink especially to the heavy users who love to  write and write. The more you write, the better its performance will be.\u003c\/p\u003e\n\n\u003cp\u003eCaution !  Please note ink in clothing \/hand cannot be washed away easily. Be careful ! \u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":43185160552691,"sku":"PT16684","price":19.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/PT16684_Platinum-Carbon-Ink-Bottle_P1.jpg?v=1663350778"},{"product_id":"platinum-carbon-ink-cartridges","title":"Platinum Carbon Ink Cartridges","description":"\u003cp\u003ePlatinum's famous permanent waterproof ink.  Platinum Carbon Ink is pigmented ink suitable for fountain pens - for documents, drawings (including line and wash) and general-purpose use.  However, this ink does have the potential to damage pens if not used according to instructions.  This ink can dry and clog fountain pen feeds if left too long as it contains ultra-fine carbon particles.  It is only suitable for pens that are in daily use and if the pen is to be left more than a couple of days without use then we advise flushing the pen.\u003c\/p\u003e\n\n\u003cp\u003eNOTE: Platinum cartridges only fit Platinum pens.  This ink is also available in a bottle.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":43185160585459,"sku":"PT16685","price":3.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/PT16685_Platinum-Carbon-Ink-Cartridges_P1.jpg?v=1663350780"},{"product_id":"platinum-pigment-ink-bottle","title":"Platinum Pigment Ink Bottle","description":"\u003cp\u003ePlatinum Pigment Ink is pigmented ink suitable for fountain pens - for documents, drawings (including line and wash) and general-purpose use.  However, this ink does have the potential to damage pens if not used according to instructions.  This ink can dry and clog fountain pen feeds if left too long.  It is only suitable for pens that are in daily use and if the pen is to be left more than a couple of days without use then we advise flushing the pen and converter.\u003c\/p\u003e\n\n\u003cp\u003eAvailable as Rose Red, Blue or Sepia.\n\u003cbr\u003eFor \u003cstrong\u003eBlack Ink\u003c\/strong\u003e, see Platinum Carbon Ink.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIMPORTANT NOTE:  We will not accept liability for damage to fountain pens arising from use of this ink.  We do not recommend its use in vintage, valuable or sentimentally-valuable pens!  This ink should only be purchased by expert users who understand the risks associated with using it.  By ordering this item you confirm that you have read and understood this.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003ePlatinum Carbon Ink Notes\u003c\/h3\u003e\n\n\u003cp\u003eThe following is copied directly from Platinum and contains important information about using this ink.\u003c\/p\u003e\n\n\u003cp\u003eCarbon  Ink uses pigmented ink in order to improve the water-resisting  property, light stability and heat-resisting properties while normal  Black\/Blue Black ink is water-based with dyes.\u003cbr\u003eThat is why the carbon  ink is suitable for important documents such as official documents  which need to be stored for a long time. Some people use the carbon ink  to draw a rough design for a picture painted in watercolors or colored  inks because carbon ink is run-proof.\u003c\/p\u003e\n\n\u003cp\u003eYou should be careful, however, to deal with carbon ink in your fountain pen.\n\u003cbr\u003eUltrafine particle carbon powder was included in the ink.\n\u003cbr\u003eComparing  to the ink water-based with dyes, it tends to be stopped up because  particles are coarse. If you use your fountain pen with the carbon ink  everyday, there may not come problems but in case you have long period  to use the fountain pen, it will be clogged.\n\u003cbr\u003eIt causes serious problem because it is not easy to clean the pen clogged with the ink and dried up.\u003cbr\u003eHere are some tips about using carbon ink in your fountain pen.\u003c\/p\u003e\n\n\u003cp\u003e(1) Please pull out the ink cartridge\/converter you are using and clean the nib completely before you use the carbon ink.\n\u003cbr\u003e(2)  If you do not use the fountain pen in carbon ink for more than one  week, please pull out the ink and wash the ink converter thoroughly.\u003cbr\u003e\u003cbr\u003eWe  recommend this carbon ink especially to the heavy users who love to  write and write. The more you write, the better its performance will be.\u003c\/p\u003e\n\n\u003cp\u003eCaution !  Please note ink in clothing \/hand cannot be washed away easily. Be careful ! \u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Rose Red","offer_id":43185161470195,"sku":"PT16711-RD","price":21.0,"currency_code":"GBP","in_stock":true},{"title":"Blue","offer_id":43185161502963,"sku":"PT16711-BU","price":21.0,"currency_code":"GBP","in_stock":true},{"title":"Sepia","offer_id":43185161535731,"sku":"PT16711-SE","price":21.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/PT16711-RD_Platinum-Pigment-Ink-Bottle-Rosered_P3.jpg?v=1738165301"},{"product_id":"rohrer-klingner-document-ink-50ml","title":"Rohrer \u0026 Klingner Document Ink 50ml","description":"\u003cp\u003eRohrer \u0026amp; Klingner have been making ink since 1892, and by hand, too, using well-established recipes.\u003c\/p\u003e\n\n\u003cp\u003eTheir Document ink is permanent and archival, and is guaranteed suitable for use by registrars for official documents. It is suitable for use in fountain pens; Rohrer \u0026amp; Klingner advise that the only care needed is to ensure that the cap of the pen is replaced when not in use, to prevent nib blockages.\u003c\/p\u003e\n\n\u003cp\u003eEach bottle contains 50ml of ink.\u003c\/p\u003e","brand":"Rohrer \u0026 Klingner","offers":[{"title":"Magenta","offer_id":43185235755251,"sku":"RK76129-MA","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"Light Blue","offer_id":43185235788019,"sku":"RK76129-LB","price":20.0,"currency_code":"GBP","in_stock":false},{"title":"Dark Blue","offer_id":43185235820787,"sku":"RK76129-DB","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"Green","offer_id":43185235853555,"sku":"RK76129-GN","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"Brown","offer_id":43185235886323,"sku":"RK76129-BN","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":43185235919091,"sku":"RK76129-BK","price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/RK76129-ZZZ_Rohrer-and-Klingner-Document-Ink-50ml_P1.jpg?v=1663767309"},{"product_id":"octopus-write-and-draw-ink-50ml","title":"Octopus Write and Draw Ink 50ml","description":"\u003cp\u003eSpecialists in all things ink, Octopus Fluids are a German ink producer based in Dresden, Germany. 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Who doesn't want to see a violet bee or a green panda?\u003c\/p\u003e\n\u003cp\u003eThe inks are high quality water-based, pigmented, lightfast ink which is completely waterproof and smudge-proof once dry. In addition to this, all the Write \u0026amp; Draw inks are completely vegan friendly.\u003c\/p\u003e\n\u003cp\u003eProvided in a round 50ml bottle.\u003c\/p\u003e","brand":"Octopus Fluids","offers":[{"title":"Black Elephant","offer_id":43587214967027,"sku":"OC00003-BKE","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"Blue Chameleon","offer_id":43587214377203,"sku":"OC00003-BUC","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"Blue Koi","offer_id":43587214344435,"sku":"OC00003-BUK","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"Blue Lynx","offer_id":43587214442739,"sku":"OC00003-BUL","price":14.5,"currency_code":"GBP","in_stock":false},{"title":"Blue Sloth","offer_id":43587214409971,"sku":"OC00003-BUS","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"Brown Colibri","offer_id":43587214835955,"sku":"OC00003-BNC","price":14.5,"currency_code":"GBP","in_stock":true},{"title":"Brown 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They were founded in 2011 but their roots go back to 1826 under the August Leonhardi and Baroque brand, who were producers of traditional Saxon ink.\u003c\/p\u003e\n\n\u003cp\u003eThankfully, their inks aren't actually made from octopus fluids, your favourite inky invertebrates are safe. They do offer a massive range of inks suitable for any occasion or ink-based hobby though.\u003c\/p\u003e\n\n\u003cp\u003eThe Write and Draw inks from Octopus offer a great tool for ink-based art and writing. This is pigmented ink and while it is suitable for writing in most fountain pens too, we would suggest flushing your pen after use to avoid any issues and would advise against using in expensive or sentimentally valuable pens.\u003c\/p\u003e\n\n\u003cp\u003eThe naming scheme for these are a little unorthodox but we love them. Who doesn't want to see a violet bee or a green panda?\u003c\/p\u003e\n\n\u003cp\u003eThe inks are high quality water-based, pigmented, lightfast ink which is completely waterproof and smudge-proof once dry. In addition to this, all the Write \u0026amp; Draw inks are completely vegan friendly.\u003c\/p\u003e\n\n\u003cp\u003eSet of 6 10ml ink bottles includes: Yellow Zebra, Orange Monkey, Pink Gazelle, Violet Bee, Blue Sloth, Green Panda.\u003c\/p\u003e","brand":"Octopus Fluids","offers":[{"title":"Default Title","offer_id":43587215327475,"sku":"OC00004","price":31.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/files\/OC00004-01.jpg?v=1769010496"},{"product_id":"octopus-write-and-draw-ink-set-of-6-rainbow","title":"Octopus Write and Draw Ink Set of 6 Rainbow","description":"\u003cp\u003eSpecialists in all things ink, Octopus Fluids are a German ink producer based in Dresden, Germany. They were founded in 2011 but their roots go back to 1826 under the August Leonhardi and Baroque brand, who were producers of traditional Saxon ink.\u003c\/p\u003e\n\n\u003cp\u003eThankfully, their inks aren't actually made from octopus fluids, your favourite inky invertebrates are safe. They do offer a massive range of inks suitable for any occasion or ink-based hobby though.\u003c\/p\u003e\n\n\u003cp\u003eThe Write and Draw inks from Octopus offer a great tool for ink-based art and writing. This is pigmented ink and while it is suitable for writing in most fountain pens too, we would suggest flushing your pen after use to avoid any issues and would advise against using in expensive or sentimentally valuable pens.\u003c\/p\u003e\n\n\u003cp\u003eThe naming scheme for these are a little unorthodox but we love them. Who doesn't want to see a violet bee or a green panda?\u003c\/p\u003e\n\n\u003cp\u003eThe inks are high quality water-based, pigmented, lightfast ink which is completely waterproof and smudge-proof once dry. In addition to this, all the Write \u0026amp; Draw inks are completely vegan friendly.\u003c\/p\u003e\n\n\u003cp\u003eSet of 6 10ml ink bottles includes: Yellow Wolf, Red Koala, Violet Lion, Blue Koi, Petrol Deer, Green Eagle..\u003c\/p\u003e","brand":"Octopus Fluids","offers":[{"title":"Default Title","offer_id":43587215360243,"sku":"OC00005","price":31.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/OC00005_Octopus-Write-and-Draw-Ink-Set-of-6-Rainbow_P1.jpg?v=1673348254"},{"product_id":"octopus-write-and-draw-ink-set-of-6-horizon","title":"Octopus Write and Draw Ink Set of 6 Horizon","description":"\u003cp\u003eSpecialists in all things ink, Octopus Fluids are a German ink producer based in Dresden, Germany. 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