{"product_id":"private-reserve-infinity-extended-cap-off-ultramarine-ink-bottle","title":"Private Reserve Infinity Extended Cap Off Ink Bottle - Ultramarine","description":"\u003cp\u003ePrivate Reserve Infinity Extended Cap Off Ink Bottle - Ultramarine brings a rich, confidently blue tone to everyday notes and journaling, backed by a formula created for real-world use. The Infinity E.C.O. blend is designed to resist drying when a pen is left uncapped longer than planned, so your line starts clean and consistent when you return to the page.\u003c\/p\u003e\u003ch3\u003eCraftsmanship \u0026amp; Formula\u003c\/h3\u003e\u003cp\u003eThis water-based, dye-based fountain pen ink delivers saturated ultramarine color with dependable flow. The Extended Cap-Off (E.C.O.) formulation helps maintain moisture at the nib and feed, supporting easy restarts and reducing interruptions during long writing sessions or quick note-taking throughout the day.\u003c\/p\u003e\u003ch3\u003eWriting Experience\u003c\/h3\u003e\u003cp\u003eIn daily use, the ink lays down smoothly and remains readable and crisp across a range of paper types. It suits a variety of nib widths, from fine writers used for fast notes to broader nibs that showcase color character. Clean-up is straightforward with standard pen maintenance.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Private Reserve\u003c\/li\u003e\n\u003cli\u003eSeries: Infinity Extended Cap-Off (E.C.O.)\u003c\/li\u003e\n\u003cli\u003eColor: Ultramarine (blue)\u003c\/li\u003e\n\u003cli\u003eInk type: Water-based, dye-based fountain pen ink\u003c\/li\u003e\n\u003cli\u003eFormat: Bottle\u003c\/li\u003e\n\u003cli\u003eCompatibility: Suitable for fountain pens that draw from bottled ink via converter or built-in filling systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Private Reserve","offers":[{"title":"2ml Sample","offer_id":47993473728787,"sku":null,"price":1.4,"currency_code":"USD","in_stock":true},{"title":"5ml Sample","offer_id":47993473761555,"sku":null,"price":2.8,"currency_code":"USD","in_stock":true},{"title":"30ml Bottle","offer_id":47993473794323,"sku":"PR17080","price":12.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2083\/6627\/files\/Private-Reserve-Infinity-Extended-Cap-Off-Ultramarine-Ink-Bottle.jpg?v=1706148998","url":"https:\/\/www.truphaeinc.mom\/products\/private-reserve-infinity-extended-cap-off-ultramarine-ink-bottle","provider":"Truphae","version":"1.0","type":"link"}