{"product_id":"platinum-carbon-black-cartridges","title":"Platinum Carbon Black Cartridges","description":"\u003cdiv class=\"read-more__content read-more__content--prod-highlight js-readMoreContent short open\"\u003e\n\u003cdiv class=\"rte\"\u003e\n\u003cdiv class=\"product-description js-productDesc\"\u003e\n\u003cspan\u003eSet of 4 Carbon Black fountain pen ink cartridges to fit Platinum pens\u003c\/span\u003e.  Platinum Carbon Black is waterproof and lightfast and thus requires more maintenance in your pen.  It is ideal for projects where watercolors or other media will be used over the ink.\u003c\/div\u003e\n\u003cdiv class=\"product-description js-productDesc\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"product-description js-productDesc\"\u003eNote:  Platinum Carbon Black is \u003cspan style=\"text-decoration: underline;\"\u003enot recommended for use in flex pens\u003c\/span\u003e as it will railroad far more readily than other inks.  It is also important to regularly clean your pen and not allow the ink to dry out when using this ink.  To increase flow consider using one drop of our \u003ca href=\"https:\/\/fprevolutionusa.com\/collections\/supplies\/products\/fpr-railroad-x-ink-lubricating-additive\"\u003eFPR Railroad X Ink Lubricating Additive\u003c\/a\u003e in 10ml of Platinum Carbon Black.\u003c\/div\u003e\n\u003cdiv class=\"product-description js-productDesc\"\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Fountain Pen Revolution","offers":[{"title":"Default Title","offer_id":43148944375869,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1405\/4876\/files\/carboninkcarts.jpg?v=1777935505","url":"https:\/\/fprevolutionusa.com\/products\/platinum-carbon-black-cartridges","provider":"Fountain Pen Revolution","version":"1.0","type":"link"}