{"product_id":"api-reef-master-test-kit","title":"API Reef Master Test Kit","description":"\u003cp\u003eThe \u003cstrong\u003eAPI Reef Master Test Kit\u003c\/strong\u003e covers the four parameters a reef tank lives or dies on, the ones a basic saltwater kit leaves out. If you keep stony corals or clams, calcium and alkalinity are not optional readings. Browse all of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat It Tests\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalcium\u003c\/strong\u003e, the building block corals pull out of the water to grow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbonate hardness (KH)\u003c\/strong\u003e, your alkalinity buffer and the first number to move when something is off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhosphate\u003c\/strong\u003e, the nutrient behind nuisance algae and stalled coral growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrate\u003c\/strong\u003e, which you want low but not zero in a modern reef\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeven bottles of liquid test reagent\u003c\/li\u003e\n\u003cli\u003eTwo computer-calibrated laminated color cards\u003c\/li\u003e\n\u003cli\u003eFour glass test tubes with snap-tight caps\u003c\/li\u003e\n\u003cli\u003eHolding tray and a step-by-step instruction booklet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow to Use It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFollow the booklet per test; the calcium and KH tests are titrations, so you count drops until the color turns rather than matching a card.\u003c\/li\u003e\n\u003cli\u003eAdd titrant one drop at a time and swirl between drops, or you will overshoot and read high.\u003c\/li\u003e\n\u003cli\u003eTest calcium and alkalinity together. One moving without the other usually means a dosing problem.\u003c\/li\u003e\n\u003cli\u003eWeekly is enough on a stable reef, more often if you are dosing or chasing a problem.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:680px;font-size:0.95em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eAPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eLiquid reagent test kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eTests\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eCalcium, carbonate hardness (KH), phosphate, nitrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eSaltwater and reef\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e317163134023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003ePairs Well With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/api-saltwater-master-test-kit\"\u003eAPI Saltwater Master Test Kit\u003c\/a\u003e for pH, ammonia and nitrite, which this kit does not cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hanna-hi774-phosphate-ultrallow-range-colorimeter\"\u003eHanna HI774 Phosphate Checker\u003c\/a\u003e when you need to read phosphate far lower than a color card can resolve.\u003c\/li\u003e\n\u003cli\u003eBrowse all of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003etest kits\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this enough on its own for a reef?\u003c\/strong\u003e\u003cbr\u003eNot quite. It skips pH, ammonia and nitrite, so most reefkeepers run it alongside the Saltwater Master Test Kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy calcium reading seems high.\u003c\/strong\u003e\u003cbr\u003eTitrations overshoot easily. Add the titrant one drop at a time, swirling between drops, and stop at the first full color change.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a color card accurate enough for phosphate?\u003c\/strong\u003e\u003cbr\u003eFor spotting a problem, yes. For dialing in a low-nutrient system, a digital checker resolves far below what the eye can read off a card.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the reagents expire?\u003c\/strong\u003e\u003cbr\u003eYes. Check the date codes, and replace an old kit rather than trusting readings that do not add up.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":48099016868059,"sku":"402M","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/inzptbfl2tcnfr3yhryv.jpg?v=1767294746","url":"https:\/\/squeakysaquatics.com\/products\/api-reef-master-test-kit","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}