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The API REEF MASTER TEST\nKIT comes with four different tests that are specifically calibrated to\nmeasure these levels in reef aquariums. Just fill the test tubes, add the test\ndrops and compare results to the color card. Then follow the recommendations\non the card if action is required. With API aquarium products, it’s easy to\nkeep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years\nAPI has developed premium solutions with proven and effective results for your\nfamily and ours. API offers a range of testing kits, water conditioners, and\nnutritionally superior food, because we’re dedicated to making a better\nunderwater world. They work to provide a safe, hospitable environment for fish\nsuch as tropical community fish, cichlids, goldfish and more. At API, we\nunderstand the rewards and relaxation of fishkeeping because we have a passion\nfor fish too.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eContains one (1) API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count, including 7 bottle of testing solution, 2 color cards and 4 test tubes with cap\u003c\/li\u003e\n \u003cli\u003eHelps prevent invisible water problems that can be harmful to fish and cause fish loss\u003c\/li\u003e\n \u003cli\u003eAccurately monitors 4 most vital water parameters levels in reef aquariums: Calcium, carbonate water hardness, phosphate and nitrate\u003c\/li\u003e\n \u003cli\u003eDesigned for use in reef aquariums only\u003c\/li\u003e\n \u003cli\u003eUse for weekly monitoring and when water or fish problems appear\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-11-12T23:04:02+11:00","created_at":"2026-11-12T20:59:35+11:00","vendor":"API","type":"Aquarium Test Kits","tags":["pets_selected_Nov2026"],"price":23400,"price_min":23400,"price_max":23400,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":45254875316424,"title":"Reef","option1":"Reef","option2":null,"option3":null,"sku":"B001D6Z7QW","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count - Reef","public_title":"Reef","options":["Reef"],"price":23400,"weight":544,"compare_at_price":null,"inventory_management":"shopify","barcode":"886827792539","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/pawsplanetshop.com\/cdn\/shop\/files\/B001D6Z7QW.jpg?v=1794477577","\/\/pawsplanetshop.com\/cdn\/shop\/files\/71IdFe1BDCL.jpg?v=1794477577","\/\/pawsplanetshop.com\/cdn\/shop\/files\/41gxL1OR8SL.jpg?v=1794477577","\/\/pawsplanetshop.com\/cdn\/shop\/files\/71VZ9LAOtoL_050227f9-801a-4958-948b-a262b8a937e6.jpg?v=1794477577","\/\/pawsplanetshop.com\/cdn\/shop\/files\/81GhX8zKa5L.jpg?v=1794477577","\/\/pawsplanetshop.com\/cdn\/shop\/files\/817wZuToq7L.jpg?v=1794477577"],"featured_image":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/B001D6Z7QW.jpg?v=1794477577","options":["Style"],"media":[{"alt":null,"id":31381667250376,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/B001D6Z7QW.jpg?v=1794477577"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/B001D6Z7QW.jpg?v=1794477577","width":2000},{"alt":null,"id":31381667283144,"position":2,"preview_image":{"aspect_ratio":1.433,"height":698,"width":1000,"src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/71IdFe1BDCL.jpg?v=1794477577"},"aspect_ratio":1.433,"height":698,"media_type":"image","src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/71IdFe1BDCL.jpg?v=1794477577","width":1000},{"alt":null,"id":31381667315912,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/41gxL1OR8SL.jpg?v=1794477577"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/41gxL1OR8SL.jpg?v=1794477577","width":1000},{"alt":null,"id":31381667348680,"position":4,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/71VZ9LAOtoL_050227f9-801a-4958-948b-a262b8a937e6.jpg?v=1794477577"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/71VZ9LAOtoL_050227f9-801a-4958-948b-a262b8a937e6.jpg?v=1794477577","width":2000},{"alt":null,"id":31381667381448,"position":5,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/81GhX8zKa5L.jpg?v=1794477577"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/81GhX8zKa5L.jpg?v=1794477577","width":2000},{"alt":null,"id":31381667414216,"position":6,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/817wZuToq7L.jpg?v=1794477577"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/pawsplanetshop.com\/cdn\/shop\/files\/817wZuToq7L.jpg?v=1794477577","width":2000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eAPI REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eMeasure the most important reef aquarium levels including calcium, carbonate\nhardness (KH), phosphate and nitrate with API REEF MASTER TEST KIT. Proper\nbalance is key to the overall health of reef inhabitants. Corals and reef\ninvertebrates like shrimp, crabs and encrusting algae require calcium to grow\nand proper levels of carbonate hardness to prevent harmful fluctuations in pH.\nExcess phosphate, which comes from fish waste, uneaten food and other decaying\norganic matter as well as tap water, can cause algae blooms and affect healthy\ngrowth of hard corals. High nitrate levels from fish waste and organic\ncompounds can cause fish disease and algae blooms. The API REEF MASTER TEST\nKIT comes with four different tests that are specifically calibrated to\nmeasure these levels in reef aquariums. Just fill the test tubes, add the test\ndrops and compare results to the color card. Then follow the recommendations\non the card if action is required. With API aquarium products, it’s easy to\nkeep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years\nAPI has developed premium solutions with proven and effective results for your\nfamily and ours. API offers a range of testing kits, water conditioners, and\nnutritionally superior food, because we’re dedicated to making a better\nunderwater world. They work to provide a safe, hospitable environment for fish\nsuch as tropical community fish, cichlids, goldfish and more. At API, we\nunderstand the rewards and relaxation of fishkeeping because we have a passion\nfor fish too.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eContains one (1) API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count, including 7 bottle of testing solution, 2 color cards and 4 test tubes with cap\u003c\/li\u003e\n \u003cli\u003eHelps prevent invisible water problems that can be harmful to fish and cause fish loss\u003c\/li\u003e\n \u003cli\u003eAccurately monitors 4 most vital water parameters levels in reef aquariums: Calcium, carbonate water hardness, phosphate and nitrate\u003c\/li\u003e\n \u003cli\u003eDesigned for use in reef aquariums only\u003c\/li\u003e\n \u003cli\u003eUse for weekly monitoring and when water or fish problems appear\u003c\/li\u003e\n \u003c\/ul\u003e"}

API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count

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API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count

Measure the most important reef aquarium levels including calcium, carbonate hardness (KH), phosphate and nitrate with API REEF MASTER TEST KIT. Proper balance is key to the overall health of reef inhabitants. Corals and reef invertebrates like shrimp, crabs and encrusting algae require calcium to grow and proper levels of carbonate hardness to prevent harmful fluctuations in pH. Excess phosphate, which comes from fish waste, uneaten food and other decaying organic matter as well as tap water, can cause algae blooms and affect healthy growth of hard corals. High nitrate levels from fish waste and organic compounds can cause fish disease and algae blooms. The API REEF MASTER TEST KIT comes with four different tests that are specifically calibrated to measure these levels in reef aquariums. Just fill the test tubes, add the test drops and compare results to the color card. Then follow the recommendations on the card if action is required. With API aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because we’re dedicated to making a better underwater world. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too.

Product Features

  • Contains one (1) API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count, including 7 bottle of testing solution, 2 color cards and 4 test tubes with cap
  • Helps prevent invisible water problems that can be harmful to fish and cause fish loss
  • Accurately monitors 4 most vital water parameters levels in reef aquariums: Calcium, carbonate water hardness, phosphate and nitrate
  • Designed for use in reef aquariums only
  • Use for weekly monitoring and when water or fish problems appear

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.