{"product_id":"red-sea-nutrients-control-multi-test-kit-no3-po4","title":"Red Sea Nutrients Control Multi Test Kit (NO3\/PO4)","description":"\u003cp\u003e\u003cstrong\u003eBoth nutrient numbers in one kit, at reef-tank resolution.\u003c\/strong\u003e The Red Sea Nutrients Control Multi Test Kit measures nitrate and phosphate together — the pair that between them decide coral colour, growth, and whether nuisance algae gets a foothold. It's a colorimetric comparator kit: dose the reagents, match the colour against the printed reference card, and read the result. No titration, no meter to calibrate.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTests nitrate and phosphate in one box\u003c\/strong\u003e — 100 tests for each parameter, so you're not buying and tracking two separate kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReef-relevant range\u003c\/strong\u003e — nitrate 0–64 ppm and phosphate 0–5 ppm, covering everything from a heavily stocked fish-only tank down to a low-nutrient reef.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine enough resolution for reef dosing decisions\u003c\/strong\u003e — nitrate to 0.125 ppm, phosphate to 0.02 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparator format\u003c\/strong\u003e — no titration technique to learn, no drop-counting errors; read the colour against the card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Red Sea's Reef Care Program\u003c\/strong\u003e — the same nitrate and phosphate numbers this kit reads are what the NO3:PO4-X dosing chart is based on.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eRed Sea Nutrients Control Multi Test Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eRED259\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTests included\u003c\/td\u003e\n\u003ctd\u003e100 nitrate tests, 100 phosphate tests\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate range\u003c\/td\u003e\n\u003ctd\u003e0–64 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate resolution\u003c\/td\u003e\n\u003ctd\u003e0.125 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhosphate range\u003c\/td\u003e\n\u003ctd\u003e0–5 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhosphate resolution\u003c\/td\u003e\n\u003ctd\u003e0.02 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMethod\u003c\/td\u003e\n\u003ctd\u003eColorimetric comparator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater type\u003c\/td\u003e\n\u003ctd\u003eMarine \/ reef\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for marine and reef aquarists tracking nitrate and phosphate as part of a nutrient control or algae management routine.\u003c\/li\u003e\n\u003cli\u003eSuitable as the weekly check while dosing \u003ca href=\"\/products\/red-sea-no3-po4-x-1l\"\u003eRed Sea NO3:PO4-X\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eNot a substitute for a digital nitrate\/phosphate monitor where continuous logging is needed — this is a manual, on-demand test.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eStore the kit closed, away from direct light and extremes of temperature, and check reagents haven't passed their use-by date before a critical test. Rinse test vials thoroughly between uses so residue from one test doesn't skew the next.\u003c\/p\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-no3-po4-x-1l\"\u003eRed Sea NO3:PO4-X 1 L\u003c\/a\u003e — the nitrate and phosphate reducer this kit's readings are used to dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-phosphate-pro-testing-kit-100-tests\"\u003eRed Sea Phosphate Pro Testing Kit\u003c\/a\u003e — a higher-resolution titration option if you need finer phosphate readings than the comparator format gives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eBacked by Red Sea's standard product warranty, in addition to your rights under Australian Consumer Law. Ships as a standard parcel.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat's the difference between this and Red Sea's Pro test kits?\u003c\/h4\u003e\n\u003cp\u003eThis kit uses a colorimetric comparator — you match a colour against a printed card. Red Sea's Pro range (sold separately) uses titration for finer resolution. The comparator format here is faster and simpler for routine weekly checks.\u003c\/p\u003e\n\u003ch4\u003eHow many tests does the kit actually include?\u003c\/h4\u003e\n\u003cp\u003e100 nitrate tests and 100 phosphate tests — enough for roughly two years of weekly testing on both parameters.\u003c\/p\u003e\n\u003ch4\u003eCan I use this kit to set my NO3:PO4-X dosing rate?\u003c\/h4\u003e\n\u003cp\u003eYes — Red Sea's NO3:PO4-X dosing chart is keyed to nitrate and phosphate readings in exactly the ranges this kit measures.\u003c\/p\u003e\n\u003ch4\u003eDoes this kit work for freshwater tanks?\u003c\/h4\u003e\n\u003cp\u003eIt's formulated and ranged for marine and reef use. A freshwater-specific nitrate or phosphate kit will give more usable resolution at freshwater's typically lower target levels.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":54774152593699,"sku":"RED259","price":128.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/RED259_1.png?v=1772078675","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-nutrients-control-multi-test-kit-no3-po4","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}