{"product_id":"hanna-marine-magnesium-checker-reagents-25-tests","title":"Hanna Marine Magnesium Checker Reagents (25 Tests)","description":"\u003cp data-start=\"161\" data-end=\"395\"\u003eMaintain accurate magnesium levels in your reef aquarium with the \u003cstrong data-start=\"227\" data-end=\"311\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eHanna Instruments\u003c\/span\u003e\u003c\/span\u003e HI783-25 Marine Magnesium Checker Reagents\u003c\/strong\u003e, a high-quality refill kit designed for use with the Hanna HI783 Magnesium Checker.\u003c\/p\u003e\n\u003cp data-start=\"397\" data-end=\"729\"\u003eThese pre-measured reagents are engineered to deliver fast, precise, and repeatable results using Hanna’s digital colorimeter system. By eliminating subjective color matching, they allow reef hobbyists to confidently monitor magnesium—an essential parameter for stabilizing calcium and alkalinity levels and supporting coral growth.\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"970\"\u003eEach kit provides approximately 25 tests and uses a colorimetric reaction to determine magnesium concentration in saltwater aquariums. Individually sealed packets ensure freshness, accuracy, and ease of use for consistent testing routines.\u003c\/p\u003e\n\u003chr data-start=\"972\" data-end=\"975\"\u003e\n\u003ch3 data-section-id=\"1b1ooua\" data-start=\"977\" data-end=\"996\"\u003e🧪 Key Features\u003c\/h3\u003e\n\u003cul data-start=\"997\" data-end=\"1343\"\u003e\n\u003cli data-section-id=\"1ajac2i\" data-start=\"997\" data-end=\"1050\"\u003eDesigned for Hanna HI783 Marine Magnesium Checker\u003c\/li\u003e\n\u003cli data-section-id=\"hx0d62\" data-start=\"1051\" data-end=\"1113\"\u003eProvides approximately 25 accurate magnesium tests per kit\u003c\/li\u003e\n\u003cli data-section-id=\"1vxxz7p\" data-start=\"1114\" data-end=\"1171\"\u003ePre-measured reagents for consistency and ease of use\u003c\/li\u003e\n\u003cli data-section-id=\"95ewrq\" data-start=\"1172\" data-end=\"1233\"\u003eHigh-purity chemicals ensure reliable, repeatable results\u003c\/li\u003e\n\u003cli data-section-id=\"wjesqo\" data-start=\"1234\" data-end=\"1284\"\u003eSupports stable calcium and alkalinity balance\u003c\/li\u003e\n\u003cli data-section-id=\"1m0b8zd\" data-start=\"1285\" data-end=\"1343\"\u003eIndividually sealed packets for freshness and accuracy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Amazon Import","offers":[{"title":"Default Title","offer_id":45246612340770,"sku":null,"price":37.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0858\/1342\/8258\/files\/411zK2vCC3L.jpg?v=1776383562","url":"https:\/\/shop.reefingcanada.ca\/products\/hanna-marine-magnesium-checker-reagents-25-tests","provider":"Reefing Canada","version":"1.0","type":"link"}