{"product_id":"phosphate-checker-for-marine-reef-tanks-portable-hi774-colorimeter-for-simple-accurate-water-testing","title":"Phosphate Checker for Marine Reef Tanks: Portable HI774 Colorimeter for Simple, Accurate Water Testing","description":"\u003cp\u003eKeep a closer eye on phosphate during routine marine and reef tank care using the portable HI774 handheld colorimeter. Its one-button operation provides an approachable way to obtain numerical readings without relying on a standard chemical test kit.\u003c\/p\u003e\u003cp\u003eRegular phosphate testing offers useful insight into reef water chemistry. Excessive levels can interfere with coral calcification and growth while encouraging nuisance algae that competes for light, nutrients, and space.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMeasures phosphate from 0.00 to 0.90 ppm, giving reef keepers a defined range for regular water checks.\u003c\/li\u003e\n\u003cli\u003eProvides 0.01 ppm resolution and stated accuracy of ±0.02 ppm ±5% of the reading at 25°C, supporting more precise phosphate monitoring.\u003c\/li\u003e\n\u003cli\u003eSimple one-button operation keeps recurring aquarium tests easy to manage as part of a consistent care routine.\u003c\/li\u003e\n\u003cli\u003eThe portable handheld format can travel between aquariums, making it convenient for testing multiple marine systems.\u003c\/li\u003e\n\u003cli\u003eDedicated single-parameter operation keeps each test focused on phosphate, an important part of understanding reef tank water chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Hanna Instruments\u003c\/li\u003e\n\u003cli\u003eModel: HI774\u003c\/li\u003e\n\u003cli\u003eMeasurement range: 0.00 to 0.90 ppm\u003c\/li\u003e\n\u003cli\u003eResolution: 0.01 ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy at 25°C (77°F): ±0.02 ppm ±5% of reading\u003c\/li\u003e\n\u003cli\u003eLight source: LED at 525 nm\u003c\/li\u003e\n\u003cli\u003eLight detector: Silicon photocell\u003c\/li\u003e\n\u003cli\u003eMethod: Adaptation of the Ascorbic-Acid method\u003c\/li\u003e\n\u003cli\u003eBattery: One 1.5V AAA battery\u003c\/li\u003e\n\u003cli\u003eAuto shut-off: After 7 minutes of non-use and 2 minutes after reading\u003c\/li\u003e\n\u003cli\u003eOperating environment: 0 to 50°C (32 to 122°F), maximum 95% RH non-condensing\u003c\/li\u003e\n\u003cli\u003eDimensions: 86.0 × 61.0 × 37.5 mm (3.4 × 2.4 × 1.5 in.)\u003c\/li\u003e\n\u003cli\u003eWeight: 64 g (2.3 oz)\u003c\/li\u003e\n\u003cli\u003eIncluded: Two capped sample cuvettes, phosphate ULR reagent starter kit for 10 tests, batteries, instructions, and quick-start guide\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMake the HI774 part of a steady reef-care routine to track phosphate clearly and respond thoughtfully to changing water conditions that affect coral and aquatic life.\u003c\/p\u003e","brand":"World Wide Corals","offers":[{"title":"Default Title","offer_id":50335123603559,"sku":"SHP-1928-666400","price":100.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/6209\/8279\/files\/4375810211928-main-001.jpg?v=1790501178","url":"https:\/\/cozypawwear.com\/products\/phosphate-checker-for-marine-reef-tanks-portable-hi774-colorimeter-for-simple-accurate-water-testing","provider":"CozyPaw Wear","version":"1.0","type":"link"}