{"product_id":"procart-invisible-uv-black-light-ink-fluorescent-cyan-inkjet-10ml","title":"Procart Invisible UV Black Light Ink for Inkjet Printers - Fluorescent","description":"\u003cp\u003eIn this review the Procart Invisible UV Black Light Ink for Inkjet Printers is evaluated for anyone who needs covert, fluorescent printing that only appears under black light. The bottom line: this 10 ml cyan invisible ink is best for small-scale security marking, event tickets, decorations and brand authentication because it prints clear, invisible images under normal light and fluoresces strongly under a 365 nm UV lamp. The reviewer found it straightforward to use in refillable inkjet cartridges and especially useful where visual secrecy and water and sunlight resistance matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInvisible under natural light:\u003c\/strong\u003e Prints are undetectable to the naked eye so covert marks remain hidden until illuminated by UV.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for 365 nm UV:\u003c\/strong\u003e The fluorescent cyan reacts best to a 365 nm black light, producing bright visible images when illuminated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInkjet compatible:\u003c\/strong\u003e Formulated to work with refillable inkjet cartridges so users can print invisible images directly from their printer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable formulation:\u003c\/strong\u003e The ink resists sunlight, water and heat, maintaining fluorescent intensity over time in typical handling conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecurity and marking use:\u003c\/strong\u003e Useful for secure documents, tickets, labels, property marking and anti-counterfeiting due to its hidden nature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall 10 ml bottle:\u003c\/strong\u003e A compact volume for testing, short runs, or adding a security color to existing workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis ink is aimed at small businesses, event organizers, schools and hobbyists who want an affordable way to add invisible security marks, secret artwork or special decorations that reveal under a black light. It is also helpful for anyone doing property marking, label verification or brand authentication in situations where visible marking is undesirable.\u003c\/p\u003e\n\u003cp\u003ePeople who require industrial-scale security printing, long production runs or guaranteed compatibility with proprietary cartridge systems should look elsewhere; this product is designed for refillable inkjet setups and small-to-medium applications rather than high-volume factory use.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTruly invisible in normal light, making covert marks simple and discreet.\u003c\/li\u003e\n\u003cli\u003eBright fluorescence under a 365 nm UV lamp, producing clear, readable results.\u003c\/li\u003e\n\u003cli\u003eResistant to sunlight, water and heat, so markings remain effective after exposure.\u003c\/li\u003e\n\u003cli\u003eWorks with refillable inkjet cartridges for straightforward printing workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly suitable for inkjet printers and refillable cartridges, so it is not compatible with all printing systems.\u003c\/li\u003e\n\u003cli\u003eSmall 10 ml volume may require frequent refills for heavier users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eProcart Invisible UV Black Light Ink for Inkjet Printers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eCyan (fluorescent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e10 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrinter type\u003c\/td\u003e\n\u003ctd\u003eInkjet (refillable cartridges)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest UV wavelength\u003c\/td\u003e\n\u003ctd\u003e365 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003eSunlight, water and heat resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Procart invisible UV cyan ink is a practical, low-cost way to add hidden fluorescent marks using an inkjet printer and refillable cartridges. It is good value for small businesses, event managers and hobbyists who need discreet, durable security marks or decorative effects that reveal only under a 365 nm black light.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this ink show up under normal light?\u003c\/strong\u003e\u003cbr\u003eNo, the ink is formulated to be invisible under natural light and becomes visible only when exposed to UV at about 365 nm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with standard disposable cartridges?\u003c\/strong\u003e\u003cbr\u003eThis ink is intended for use with empty refillable inkjet cartridges rather than sealed disposable cartridges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the print durable outdoors?\u003c\/strong\u003e\u003cbr\u003eThe ink resists sunlight, water and heat, so prints maintain fluorescent intensity under typical exposure, but long-term outdoor durability depends on conditions and substrate.\u003c\/p\u003e","brand":"Procart","offers":[{"title":"Default Title","offer_id":46499675439323,"sku":"B0813MD1TT","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51BZsG2kG0L._AC_SL1000.jpg?v=1739757179","url":"https:\/\/gearmusthave.com\/products\/procart-invisible-uv-black-light-ink-fluorescent-cyan-inkjet-10ml","provider":"GearMustHave","version":"1.0","type":"link"}