{"product_id":"hanna-marine-ammonia-reagent-hi784-25","title":"HI784-25 Hanna Marine Ammonia Reagents — 25 Tests for Checker HC HI784 - Hanna","description":"\u003ch2\u003eHanna HI784-25 marine ammonia reagents — 25 tests for Checker HC HI784\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHanna HI784-25 reagents\u003c\/strong\u003e are the dedicated reagents for the \u003cstrong\u003eHanna Checker HC HI784 Marine Ammonia\u003c\/strong\u003e colorimeter. Each box has 25 tests calibrated to the HI784 LED and chemistry. The method is an adaptation of the Salicylate method, formulated specifically for saltwater — no false readings due to salinity, unlike some freshwater ammonia tests.\u003c\/p\u003e\n\u003ch2\u003eWhat these reagents bring\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e25 saltwater-tuned ammonia tests for reef aquariums.\u003c\/li\u003e\n\u003cli\u003eSalicylate method — 0.01 ppm precision across the 0.00-2.50 ppm range.\u003c\/li\u003e\n\u003cli\u003ePre-measured sachets, standardised 2-3 step procedure.\u003c\/li\u003e\n\u003cli\u003eGenuine Hanna reagents — the only chemistry guaranteed on the Checker HC HI784.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the cuvette with RO water and sample water.\u003c\/li\u003e\n\u003cli\u003eFill to the mark, insert, press Zero.\u003c\/li\u003e\n\u003cli\u003eAdd HI784-25 sachet A then B, agitate as per Hanna timing.\u003c\/li\u003e\n\u003cli\u003eReinsert and press Read after the specified delay.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReference: HI784-25\u003c\/li\u003e\n\u003cli\u003eNumber of tests: 25\u003c\/li\u003e\n\u003cli\u003eCompatible with: Hanna Checker HC HI784 Marine Ammonia\u003c\/li\u003e\n\u003cli\u003eMethod: adaptation of the Salicylate method\u003c\/li\u003e\n\u003cli\u003eRange: 0.00 to 2.50 ppm NH₃\u003c\/li\u003e\n\u003cli\u003eStorage: dry, room temperature, out of direct sunlight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy get these reagents from ReefSolution\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/products\/hi784-marine-ammonia-checker\"\u003eHanna Checker HC HI784 marine ammonia\u003c\/a\u003e\u003c\/strong\u003e — the colorimeter these reagents pair with.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/products\/hanna-nitrate-high-rage-reagent\"\u003eHanna HI782-25 nitrate HR reagents\u003c\/a\u003e\u003c\/strong\u003e — to track NO₃ alongside ammonia.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/products\/hanna-marine-ultra-low-range-nitrite-checker-reagents-25-tests\"\u003eHanna HI764-25 nitrite ULR reagents\u003c\/a\u003e\u003c\/strong\u003e — to round out nitrogen-cycle monitoring.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"\/en\/products\/hanna-alkalinity-checker-dkh-h1772\"\u003eHanna Checker HC HI772 dKH alkalinity\u003c\/a\u003e\u003c\/strong\u003e — the reef parameter that shifts fastest.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow many tests are in a box of Hanna HI784-25 reagents?\u003c\/h3\u003e\n\u003cp\u003e25 tests — one per measurement on the Hanna Checker HC HI784.\u003c\/p\u003e\n\u003ch3\u003eAre these reagents saltwater-safe?\u003c\/h3\u003e\n\u003cp\u003eYes — the Salicylate formulation is calibrated for saltwater with no false reading due to salinity.\u003c\/p\u003e\n\u003ch3\u003eWhen should I measure ammonia on an established reef aquarium?\u003c\/h3\u003e\n\u003cp\u003eNot often on an established tank — mostly during cycling, after a large livestock addition, or to confirm a nitrogen spike after an incident (animal death, skimmer failure).\u003c\/p\u003e","brand":"Hanna","offers":[{"title":"Default Title","offer_id":44760827986091,"sku":"HI784-25","price":28.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0513\/7108\/1899\/files\/hanna_hi784-25_ammonia_checker_reagents_canada_jpg.webp?v=1733520826","url":"https:\/\/reefsolution.com\/en\/products\/hanna-marine-ammonia-reagent-hi784-25","provider":"Aquarium ReefSolution inc.","version":"1.0","type":"link"}