{"product_id":"hanna-instruments-hi782-25-marine-nitrate-reagents-2-pack-for-high-range-checker-hc-50-tests","title":"Hanna Instruments HI782-25 Marine Nitrate Reagents — 2-Pack for High Range Checker HC (50 Tests)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eHanna Instruments HI782-25 Marine Nitrate Reagents are replacement, pre-measured packets crafted to work with the HI782 Marine Nitrate High Range Checker HC. Each packet carries clear lot and expiration information for traceability, helping you manage reagent usage with confidence. These reagents are designed to support accurate colorimetric readings in saltwater environments without the need for complex preparation.\u003c\/p\u003e\n\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eFollowing the zinc reduction method, the nitrate in a saltwater sample triggers a color change. A pink tint develops, and the checker translates that color into a nitrate concentration in ppm NO3–. This straightforward colorimetric process aims to deliver dependable results while keeping testing steps simple and repeatable.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 pre-measured reagent packets (totaling up to 50 tests)\u003c\/li\u003e\n  \u003cli\u003eHigh-purity chemicals designed for reliable results\u003c\/li\u003e\n  \u003cli\u003eExpiration date and lot number clearly printed on every packet for traceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey benefits and practicality\u003c\/h3\u003e\n\u003cp\u003eUsing pre-measured reagents minimizes guesswork and saves time, so you can focus on monitoring your marine setup. The 0.0–75.0 ppm range covers common saltwater nitrate levels, making these reagents a practical choice for routine checks and ongoing maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eReal-life use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReef aquariums: keep an eye on nitrate levels to support healthy coral and algae management\u003c\/li\u003e\n  \u003cli\u003eSaltwater tanks and aquaculture: convenient, on-demand testing during routine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality, traceability, and safety\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured with high-purity chemicals in a controlled facility\u003c\/li\u003e\n  \u003cli\u003eEach packet is labeled with a lot number and expiration date for traceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStock and availability\u003c\/h3\u003e\n\u003cp\u003eNote: stock status can vary by listing. Check the product page for current availability and compatible accessories.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is HI782-25 used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HI782-25 are pre-measured replacement reagents for the HI782 Marine Nitrate High Range Checker HC, enabling quick, reliable saltwater nitrate testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should HI782-25 be stored?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Store in a cool, dry place; each packet shows expiration date and lot number for traceability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40563668189313,"sku":"B09PC7BW5K","price":115.02,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/hanna-instruments-hi782-25-marine-nitrate-reagents-packaging.jpg?v=1765871523","url":"https:\/\/petiva.ca\/products\/hanna-instruments-hi782-25-marine-nitrate-reagents-2-pack-for-high-range-checker-hc-50-tests","provider":"Petiva","version":"1.0","type":"link"}