{"product_id":"salifert-phosphate-test-kit","title":"Salifert Phosphate Test Kit","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e\n\u003cp\u003eThe Salifert Phosphate Profi Test Kit measures inorganic orthophosphate (PO₄) so you can catch creeping nutrients before hair algae takes off, calcification slows, or pink, purple, and blue colour browns. Fish waste, heavy feeding, and tap water all raise phosphate; without a precise test, those swings are easy to miss.\u003c\/p\u003e\n\u003cp\u003eIt uses liquid indicators and a powder catalyst to pick up low traces that coarser kits often miss. Testing is done in a vial, not in the tank.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensitive colour:\u003c\/strong\u003e Multi-reagent sequence with deep-blue tints for low-level orthophosphate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e Down to 0.03 ppm (mg\/L), useful for low-nutrient reefs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e 0.03–3.0 ppm \/ mg\/L phosphate (PO₄).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTests per kit:\u003c\/strong\u003e About 60.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple workflow:\u003c\/strong\u003e Fast colour-match test without extra lab steps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOff-tank:\u003c\/strong\u003e The sequence runs in a dedicated vial, so reagents do not enter the aquarium.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShelf life:\u003c\/strong\u003e Stabilised reagents to hold accuracy when stored correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWater and system compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Marine reefs and freshwater tanks, including planted aquascapes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine use:\u003c\/strong\u003e SPS, LPS, soft-coral tanks, and macroalgae refugiums.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNutrient control:\u003c\/strong\u003e Use the results to adjust GFO, lanthanum chloride, or carbon dosing instead of guessing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTesting and instructions\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eAlways follow dosage \u0026amp; directions on product packaging.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTypical marine targets: 0.03–0.05 ppm for clean SPS reefs, or up to 0.10 ppm for fleshy LPS and soft corals. How often to test:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew tank cycling:\u003c\/strong\u003e Weekly, alongside nitrate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixed reef \/ moderate load:\u003c\/strong\u003e Weekly, then adjust feeding or mechanical media such as filter socks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-demand SPS:\u003c\/strong\u003e Every 3–5 days, to keep nitrate and phosphate in ratio and avoid tissue starvation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefugium and carbon dosing:\u003c\/strong\u003e Test often so phosphate does not hit zero (macroalgae and bacteria can stall).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStorage\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpoon:\u003c\/strong\u003e Do not mix reagent spoons. Clean and dry the micro-spoon straight after use; a dirty scoop skews the colour.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBox:\u003c\/strong\u003e Cool, dry cupboard out of direct sunlight. Do not freeze or overheat the reagents.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVial:\u003c\/strong\u003e Rinse with RO\/DI water and dry with a clean tissue so leftover reagent does not contaminate the next test.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Salifert\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Profitest series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTests:\u003c\/strong\u003e Approx. 60\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement scale:\u003c\/strong\u003e 0.03–3.0 ppm \/ mg\/L phosphate (PO₄)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Salifert","offers":[{"title":"Default Title","offer_id":56330452664625,"sku":null,"price":29.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/6066\/3601\/files\/salifert_phosphate_test.png?v=1789713120","url":"https:\/\/www.williamstownaquarium.com.au\/products\/salifert-phosphate-test-kit","provider":"Williamstown Aquarium","version":"1.0","type":"link"}