{"product_id":"hanna-instruments-marine-phosphate-ultra-low-range-checker-hc","title":"Hanna Instruments Marine Phosphate Ultra Low Range Checker HC","description":"\u003ch2\u003ePrecision Phosphate Testing for Reef Aquariums\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHanna Instruments HI774 Marine Phosphate Ultra Low Range Checker HC\u003c\/strong\u003e makes monitoring low phosphate levels in saltwater aquariums simple, precise, and easy to read.\u003c\/p\u003e\n\u003cp\u003eDesigned specifically for marine systems and reef tanks, the HI774 provides a \u003cstrong\u003edigital phosphate reading\u003c\/strong\u003e without relying on traditional color charts. With an ultra-low measurement range designed for reef aquarium conditions, it's an excellent tool for keeping nutrient levels under control while avoiding the problems associated with driving phosphate too low.\u003c\/p\u003e\n\u003ch3\u003eDigital Phosphate Results\u003c\/h3\u003e\n\u003cp\u003eTraditional phosphate tests can become difficult to interpret at the low concentrations commonly maintained in reef aquariums.\u003c\/p\u003e\n\u003cp\u003eThe HI774 uses a handheld colorimeter to analyze the sample and displays phosphate concentration directly on its LCD screen, removing the guesswork of visually comparing subtle color differences.\u003c\/p\u003e\n\u003ch3\u003eUltra Low Range for Reef Systems\u003c\/h3\u003e\n\u003cp\u003eThe HI774 measures phosphate from \u003cstrong\u003e0.00 to 0.90 ppm\u003c\/strong\u003e with a resolution of \u003cstrong\u003e0.01 ppm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis makes it particularly useful for reef aquariums where small changes in phosphate can matter for nutrient management, coral health, algae control, and overall system stability.\u003c\/p\u003e\n\u003ch3\u003eWhy Monitor Phosphate?\u003c\/h3\u003e\n\u003cp\u003ePhosphate is an important nutrient in a reef aquarium, but maintaining an appropriate level is key.\u003c\/p\u003e\n\u003cp\u003eElevated phosphate can contribute to nuisance algae and interfere with coral calcification, while excessively low nutrient levels may also create challenges in reef systems.\u003c\/p\u003e\n\u003cp\u003eRegular testing helps you understand nutrient trends and make informed decisions about feeding, filtration, water changes, phosphate-removal media, and other nutrient-management methods.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e• Digital phosphate measurement\u003cbr\u003e• Designed for marine and reef aquariums\u003cbr\u003e• Ultra-low 0.00 to 0.90 ppm measurement range\u003cbr\u003e• 0.01 ppm resolution\u003cbr\u003e• Accuracy of ±0.02 ppm ±5% of reading at 77°F\u003cbr\u003e• Easy one-button operation\u003cbr\u003e• Large digital display\u003cbr\u003e• Compact handheld design\u003cbr\u003e• Automatic shutoff\u003cbr\u003e• Replaceable AAA battery\u003cbr\u003e• HI774-25 replacement reagents available separately\u003cbr\u003e• HI774-11 calibration check set available separately\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e HI774\u003cbr\u003e\u003cstrong\u003eParameter:\u003c\/strong\u003e Phosphate\u003cbr\u003e\u003cstrong\u003eRange:\u003c\/strong\u003e 0.00 to 0.90 ppm\u003cbr\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.01 ppm\u003cbr\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.02 ppm ±5% of reading at 77°F \/ 25°C\u003cbr\u003e\u003cstrong\u003eMethod:\u003c\/strong\u003e Ascorbic Acid Method\u003cbr\u003e\u003cstrong\u003eLight Source:\u003c\/strong\u003e LED at 525 nm\u003cbr\u003e\u003cstrong\u003eLight Detector:\u003c\/strong\u003e Silicon Photocell\u003cbr\u003e\u003cstrong\u003eBattery:\u003c\/strong\u003e 1 × 1.5V AAA\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3.4\" × 2.4\" × 1.5\"\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.3 oz\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e• Hanna Instruments HI774 Marine Phosphate Ultra Low Range Checker HC\u003cbr\u003e• 2 sample cuvettes with caps\u003cbr\u003e• Starter reagent kit for 10 tests\u003cbr\u003e• AAA battery\u003cbr\u003e• Instructions\u003cbr\u003e• Quick Start Guide\u003c\/p\u003e\n\u003ch3\u003eWhy Buy From Infinity and Beyond Aquatics?\u003c\/h3\u003e\n\u003cp\u003eAccurate nutrient testing makes it easier to understand what's happening inside your reef aquarium. Infinity and Beyond Aquatics carries trusted testing equipment for aquarists who want consistent, easy-to-read results without the guesswork of traditional color charts.\u003c\/p\u003e\n\u003cp\u003eThe Hanna HI774 is an excellent choice for reef keepers who want precise phosphate monitoring as part of their regular aquarium maintenance routine.\u003c\/p\u003e\n\u003ch3\u003eShipping\u003c\/h3\u003e\n\u003cp\u003eThis product qualifies toward \u003cstrong\u003eFREE Standard Shipping on orders over $100\u003c\/strong\u003e within the contiguous United States.\u003c\/p\u003e\n\u003cp\u003eOrders may ship separately from other products depending on inventory location and availability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Hanna Instruments\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e HI774\u003cbr\u003e\u003cstrong\u003eFor Use With:\u003c\/strong\u003e Saltwater and marine aquariums\u003c\/p\u003e","brand":"SWA","offers":[{"title":"Default Title","offer_id":53221550096693,"sku":"HI774","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/HI774-PHOSPHATE-CHECKER-AND-BOX-1000x1000__88912.jpg?v=1785207791","url":"https:\/\/infinityandbeyondaquatics.com\/products\/hanna-instruments-marine-phosphate-ultra-low-range-checker-hc","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}