{"product_id":"hanna-hi781-25-marine-nitrate-reagents-25-tests","title":"Hanna Instruments HI781-25 Marine Nitrate Reagents for Saltwater Aquariums (25 Tests)","description":"\u003ch2\u003eHanna Instruments HI781-25 Marine Nitrate Checker Reagents (25 Tests)\u003c\/h2\u003e\u003cp\u003eKeep your reef and saltwater aquarium thriving with \u003cstrong\u003eHanna Instruments HI781-25 replacement reagents\u003c\/strong\u003e — precision-formulated for use exclusively with the \u003cstrong\u003eHI781 Marine Nitrate Low Range Colorimeter\u003c\/strong\u003e. Each packet is pre-measured for fast, accurate nitrate testing with zero guesswork.\u003c\/p\u003e\u003ch3\u003eWhy Choose HI781-25 Reagents?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-measured packets\u003c\/strong\u003e — no mixing, no mess, consistent results every time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-purity chemicals\u003c\/strong\u003e — manufactured in Hanna's state-of-the-art facility for lab-grade accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull traceability\u003c\/strong\u003e — every packet is clearly marked with lot number and expiration date.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColorimetric method\u003c\/strong\u003e — nitrate reacts with reagent to produce a pink\/violet tint, measured precisely by the HI781 checker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for seawater\u003c\/strong\u003e — optimized for marine and reef aquarium water chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003e25 pre-measured reagent packets compatible with the HI781 Marine Nitrate Low Range Colorimeter. Ideal for regular water quality maintenance in saltwater and reef aquariums.\u003c\/p\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cp\u003eHanna Instruments HI781 Marine Nitrate Low Range Colorimeter (sold separately).\u003c\/p\u003e","brand":"HANNA Instruments","offers":[{"title":"Default Title","offer_id":42060244779095,"sku":"HI781-25","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/HI781-25_holder__49657.jpg?v=1761671577","url":"https:\/\/getultimatenow.com\/products\/hanna-hi781-25-marine-nitrate-reagents-25-tests","provider":"Get Ultimate Now ","version":"1.0","type":"link"}