{"title":"Saltwater Test Kits","description":"","products":[{"product_id":"test-kit-alkalinity","title":"Test Kit: Alkalinity","description":"\u003cp\u003eThe Waterbox Alkalinity Test Kit provides fast and accurate measurement of carbonate hardness (dKH) in saltwater aquariums. Alkalinity is essential for maintaining stable pH and supplying the carbonate ions corals need to build strong calcium carbonate skeletons. Proper levels help prevent rapid pH swings, support healthy coral calcification, and contribute to overall system balance.\u003c\/p\u003e\n\u003cp\u003eKeeping alkalinity within the recommended 7.5–9.5 dKH range ensures consistent growth, stable water chemistry, and long-term reef vitality. Regular testing alongside calcium and magnesium helps maintain a balanced and thriving environment. Each kit provides enough reagents for roughly 80–100 individual tests.\u003c\/p\u003e\n\u003cp\u003eEach kit provides enough reagents for roughly 80–100 individual tests.\u003c\/p\u003e","brand":"Waterbox Aquariums","offers":[{"title":"Default Title","offer_id":47588488446142,"sku":"G2865","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/6590\/0397\/files\/TestKit.Alkalinity.jpg?v=1780343663"},{"product_id":"test-kit-calcium","title":"Test Kit: Calcium","description":"\u003cp\u003eThe Waterbox Calcium Test Kit delivers quick, reliable testing to measure calcium (Ca) levels in saltwater aquariums. Calcium is essential for coral skeletal growth, invertebrate shell formation, and the development of coralline algae. When levels drop too low, coral growth slows and overall reef stability can be affected.\u003c\/p\u003e\n\u003cp\u003eMaintaining calcium within the recommended 420–460 ppm range supports strong coral structure, vibrant coloration, and a balanced relationship with alkalinity and magnesium. Regular testing alongside alkalinity and magnesium helps maintain a balanced and thriving environment.\u003c\/p\u003e\n\u003cp\u003eEach kit provides enough reagents for roughly 55–65 individual tests.\u003c\/p\u003e","brand":"Waterbox Aquariums","offers":[{"title":"Default Title","offer_id":47588491624638,"sku":"G2860","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/6590\/0397\/files\/TestKit.Calcium.jpg?v=1780343639"},{"product_id":"test-kit-magnesium","title":"Test Kit: Magnesium","description":"\u003cp\u003eThe Waterbox Magnesium Test Kit offers fast, reliable testing to determine the magnesium (Mg) concentration in saltwater aquariums. Magnesium is a core element in reef chemistry, supporting coral skeletal growth and helping maintain overall stability in the system. It plays a major role in balancing calcium and alkalinity, and its presence helps reduce unwanted calcium carbonate deposits on pumps, heaters, and other equipment.\u003c\/p\u003e\n\u003cp\u003eConsistently maintaining magnesium within the natural seawater range of 1200–1400 ppm is essential for healthy coral development and for keeping other key parameters in check. Regular testing alongside alkalinity and calcium helps maintain a balanced and thriving environment.\u003c\/p\u003e\n\u003cp\u003eEach kit provides enough reagents for roughly 55–60 individual tests.\u003c\/p\u003e","brand":"Waterbox Aquariums","offers":[{"title":"Default Title","offer_id":47588492214462,"sku":"G2870","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/6590\/0397\/files\/TestKit.Magnesium_ed74e1a1-578a-4c91-8b34-2cdd6f8823d7.jpg?v=1780343613"}],"url":"https:\/\/waterboxaquariums.com\/collections\/saltwater-test-kits.oembed","provider":"Waterbox Aquariums","version":"1.0","type":"link"}