{"product_id":"hanna-hi784-marine-ammonia-checker-hc-handheld-digital-colorimeter-for-saltwater-aquariums","title":"Hanna HI784 Marine Ammonia Checker HC – Handheld Digital Colorimeter for Saltwater Aquariums","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong\u003eFast, Accurate Digital Marine Ammonia Testing\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eTake the guesswork out of monitoring ammonia with the \u003cstrong\u003eHanna HI784 Marine Ammonia Checker HC\u003c\/strong\u003e. Designed specifically for saltwater aquariums, this handheld digital colorimeter delivers precise ammonia measurements in just a few simple steps, eliminating the uncertainty of matching colors found in traditional liquid test kits.\u003c\/p\u003e\n\u003cp\u003eAmmonia is one of the most toxic compounds in any marine aquarium, making accurate testing essential for protecting fish, corals, and invertebrates. Whether you're cycling a new aquarium, monitoring a quarantine system, or maintaining an established reef, the HI784 provides reliable digital results you can trust.\u003c\/p\u003e\n\u003cp\u003eUsing Hanna's compact Checker HC design, simply prepare your water sample, add the included reagents, and let the digital colorimeter provide an easy-to-read measurement. The HI784 is designed to measure \u003cstrong\u003emarine ammonia (NH₃-N)\u003c\/strong\u003ewith excellent accuracy and repeatability, helping you quickly identify potential problems before they become serious.\u003c\/p\u003e\n\u003cp\u003eCompact enough to fit in your hand yet powerful enough for routine reef maintenance, the HI784 is an excellent addition to any saltwater aquarist's testing arsenal.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for saltwater aquariums\u003c\/li\u003e\n\u003cli\u003eDigital colorimeter eliminates subjective color matching\u003c\/li\u003e\n\u003cli\u003eFast, accurate marine ammonia measurements\u003c\/li\u003e\n\u003cli\u003eCompact handheld design\u003c\/li\u003e\n\u003cli\u003eSimple one-button operation\u003c\/li\u003e\n\u003cli\u003eLarge, easy-to-read LCD display\u003c\/li\u003e\n\u003cli\u003eHigh accuracy and repeatability\u003c\/li\u003e\n\u003cli\u003eAuto shut-off to conserve battery life\u003c\/li\u003e\n\u003cli\u003eIdeal for reef aquariums, fish-only systems, quarantine tanks, and new aquarium cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReef Aquariums\u003c\/li\u003e\n\u003cli\u003eFish-Only Saltwater Aquariums\u003c\/li\u003e\n\u003cli\u003eQuarantine Systems\u003c\/li\u003e\n\u003cli\u003eHospital Tanks\u003c\/li\u003e\n\u003cli\u003eNew Aquarium Cycling\u003c\/li\u003e\n\u003cli\u003eProfessional Aquarium Maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HI784 Marine Ammonia Checker HC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParameter:\u003c\/strong\u003e Marine Ammonia (NH₃-N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting Range:\u003c\/strong\u003e 0.00 to 2.50 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.01 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.05 ppm ±5% of reading @ 25°C (77°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Source:\u003c\/strong\u003e LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Detector:\u003c\/strong\u003e Silicon Photocell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Shut-Off:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 1 AAA Battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Adaptation of the ASTM Manual of Water and Environmental Technology, D1426 Nessler Method\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHanna HI784 Marine Ammonia Checker HC\u003c\/li\u003e\n\u003cli\u003eMarine Ammonia Starter Reagents (10 Tests)\u003c\/li\u003e\n\u003cli\u003eSample Cuvettes with Caps (2)\u003c\/li\u003e\n\u003cli\u003e1 AAA Battery\u003c\/li\u003e\n\u003cli\u003eInstruction Manual\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAdditional replacement reagents (HI784-25) sold separately.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy You'll Love It\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eUnlike traditional test kits that rely on interpreting subtle color changes, the Hanna HI784 delivers precise digital readings, helping eliminate user error and improve confidence in your water testing. It's especially valuable when monitoring new aquarium cycles, quarantine systems, or diagnosing water quality issues where accurate ammonia readings are critical.\u003c\/p\u003e\n\u003cp\u003eCompact, easy to use, and highly accurate, the HI784 is trusted by reef hobbyists and aquarium professionals alike.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Buy from Infinity and Beyond Aquatics?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eAt Infinity and Beyond Aquatics, we carefully select equipment trusted by serious hobbyists and professionals. The Hanna HI784 Marine Ammonia Checker provides dependable digital testing, helping you maintain stable water quality and protect your aquarium's livestock with confidence.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Available Nationwide\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis item ships within \u003cstrong\u003e1–3 business days\u003c\/strong\u003e, and tracking information will be emailed as soon as your order ships.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFREE Standard Shipping\u003c\/strong\u003e on qualifying orders over \u003cstrong\u003e$100\u003c\/strong\u003e (U.S. only)\u003c\/li\u003e\n\u003cli\u003eOrders below the free shipping threshold are calculated at checkout based on your selected shipping method.\u003c\/li\u003e\n\u003cli\u003eThis item is carefully packaged to help ensure it arrives in excellent condition.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SWA","offers":[{"title":"Default Title","offer_id":53249125613877,"sku":"Hanna-Ammonia-Checker-Handheld","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/hi784__99067.jpg?v=1785875466","url":"https:\/\/infinityandbeyondaquatics.com\/products\/hanna-hi784-marine-ammonia-checker-hc-handheld-digital-colorimeter-for-saltwater-aquariums","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}