{"product_id":"wlr-industries-hi764-ultra-low-range-nitrite-checker-hc-saltwater-aquarium-colorimeter","title":"WLR Industries HI764 Ultra Low Range Nitrite Checker HC – Saltwater Aquarium Colorimeter","description":"\u003ch2\u003eHI764 Ultra Low Range Nitrite Checker HC\u003c\/h2\u003e\u003cp\u003eThe HI764 by WLR Industries is a compact, handheld nitrite colorimeter designed to detect ultra-low nitrite levels in water samples. Built for saltwater environments, it combines portability with precise measurements, helping hobbyists and professionals monitor water quality without sacrificing ease of use.\u003c\/p\u003e\u003cp\u003eWith ultraviolet-assisted detection, this unit delivers reliable readings across a wide ultra-low range, specifically 0 to 200.0 μg\/L (ppm). The handheld form factor makes it a practical companion for reef tanks, marine systems, aquaculture facilities, and field testing where quick, on-site results matter. The user interface is straightforward, reducing the time you spend dialing in tests and maximizing the time you can devote to observing your aquatic life.\u003c\/p\u003e\u003ch3\u003ePrecision in a portable package\u003c\/h3\u003e\u003cp\u003eDesigned for on-the-go testing, the HI764 leverages ultraviolet radiation to provide actionable nitrite data when and where you need it. Its 0–200 μg\/L range is tailored to capture ultra-low nitrite fluctuations that can impact sensitive organisms in saltwater setups, giving you a clearer view of water quality before issues arise.\u003c\/p\u003e\u003ch3\u003eKey capabilities\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUltra-low nitrite range from 0 to 200.0 μg\/L\u003c\/li\u003e\n\u003cli\u003eUltraviolet-based colorimetric detection for dependable results\u003c\/li\u003e\n\u003cli\u003eCompact, portable handheld design for on-site testing\u003c\/li\u003e\n\u003cli\u003eSimple button operation for quick measurements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world uses\u003c\/h3\u003e\u003cp\u003eIn reef aquariums and marine systems, nitrite levels can directly affect fish, corals, and beneficial bacteria. For aquaculture and quarantine setups, fast checks at the point of care help you monitor transitions and respond promptly. The HI764 also supports environmental monitoring and water-treatment workflows where clear, ultra-low nitrite visibility is valuable.\u003c\/p\u003e\u003ch3\u003eHow to test in minutes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStep 1: Calibrate the device according to the user guide\u003c\/li\u003e\n\u003cli\u003eStep 2: Fill a clean cuvette with your water sample\u003c\/li\u003e\n\u003cli\u003eStep 3: Insert the cuvette and press the measurement button\u003c\/li\u003e\n\u003cli\u003eStep 4: Read and record the displayed nitrite value\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy choose the HI764 for your saltwater setup\u003c\/h3\u003e\u003cp\u003eThe HI764 offers a portable, easy-to-use solution for precision nitrite monitoring in marine environments. It supports hobbyists and professionals alike by providing consistent readings in low-nitrite contexts and enabling rapid decision-making based on observed trends.\u003c\/p\u003e\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eKeep optical surfaces clean for consistent results\u003c\/li\u003e\n\u003cli\u003eCalibrate regularly to maintain accuracy\u003c\/li\u003e\n\u003cli\u003eUse clean cuvettes and store the device in a dry place\u003c\/li\u003e\n\u003cli\u003eFollow warm-up and storage guidelines to extend sensor life\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: This device delivers data to inform water-management decisions in a practical, non-prescriptive way. It is a tool to aid monitoring and stewardship of aquatic systems, not a guarantee of outcomes.\u003c\/p\u003e\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 environments is the HI764 nitrite checker suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for saltwater and freshwater aquariums, aquaculture facilities, labs, and field water testing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I use the HI764 for saltwater tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Calibrate, place a cuvette in the unit, add sample, and read measurements on the display.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WLR Industries","offers":[{"title":"Default Title","offer_id":40563819544705,"sku":"B0D54QGL3P","price":149.25,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/wlr-industries-hi764-nitrite-checker-front-view.jpg?v=1765887690","url":"https:\/\/petiva.ca\/products\/wlr-industries-hi764-ultra-low-range-nitrite-checker-hc-saltwater-aquarium-colorimeter","provider":"Petiva","version":"1.0","type":"link"}