{"product_id":"hanna-hi774-25-marine-ultra-low-range-phosphate-checker-reagents-25-tests","title":"Hanna HI774-25 Marine Ultra Low Range Phosphate Checker Reagents (25 Tests)","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong\u003eReliable Phosphate Testing Starts with Genuine Hanna Reagents\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eKeep your \u003cstrong\u003eHanna HI774 Marine Ultra Low Range Phosphate Checker HC\u003c\/strong\u003e delivering accurate, dependable results with genuine \u003cstrong\u003eHI774-25 Replacement Reagents\u003c\/strong\u003e. Designed specifically for the HI774 Checker, these pre-measured reagents make it quick and easy to monitor phosphate levels in reef and marine aquariums. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eEach package includes enough reagent to perform \u003cstrong\u003e25 phosphate tests\u003c\/strong\u003e, allowing you to routinely monitor one of the most important nutrients affecting coral health and nuisance algae growth. Consistent phosphate testing helps reef keepers maintain stable water chemistry and create an environment where corals can thrive. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufactured using high-purity chemicals, every reagent packet is lot numbered and expiration dated to ensure quality, consistency, and traceability.\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\u003eGenuine Hanna Instruments replacement reagents\u003c\/li\u003e\n\u003cli\u003ePerforms \u003cstrong\u003e25 Ultra Low Range phosphate tests\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the HI774 Marine Phosphate Checker HC\u003c\/li\u003e\n\u003cli\u003ePre-measured packets for quick, convenient testing\u003c\/li\u003e\n\u003cli\u003eHigh-purity chemicals for reliable results\u003c\/li\u003e\n\u003cli\u003eLot numbered and expiration dated for quality assurance\u003c\/li\u003e\n\u003cli\u003eIdeal for reef aquariums and marine systems \u003cspan class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHanna \u003cstrong\u003eHI774 Marine Ultra Low Range Phosphate Checker HC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese reagents are designed exclusively for use with the HI774 Checker. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\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\u003ePart Number:\u003c\/strong\u003e HI774-25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 25 Tests\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParameter:\u003c\/strong\u003e Marine Phosphate (Ultra Low Range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting Range:\u003c\/strong\u003e 0.00–0.90 ppm Phosphate (PO₄³⁻)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Ascorbic Acid Method\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Saltwater Aquariums\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\n\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 HI774-25 Ultra Low Range Phosphate Reagents\u003c\/li\u003e\n\u003cli\u003e25 Individual Test Packets\u003c\/li\u003e\n\u003c\/ul\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\u003eMaintaining ultra-low phosphate levels is essential for healthy coral growth, vibrant coloration, and minimizing nuisance algae. Genuine Hanna reagents ensure your HI774 Checker continues providing fast, accurate digital measurements you can trust for every test.\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 stock genuine Hanna Instruments products trusted by reef hobbyists around the world. Whether you're maintaining a mixed reef or an SPS-dominated aquarium, we're committed to providing premium equipment and dependable customer service.\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":53249085997365,"sku":"Hanna-LowRange=-Phosphate-Reagents","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/HI774-25-1000x1000__48929.jpg?v=1785873385","url":"https:\/\/infinityandbeyondaquatics.com\/products\/hanna-hi774-25-marine-ultra-low-range-phosphate-checker-reagents-25-tests","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}