{"product_id":"wlr-industries-hanna-hi772-checker-saltwater-alkalinity-colorimeter-tester","title":"WLR Industries Hanna HI772 Checker – Saltwater Alkalinity Colorimeter Tester","description":"\u003ch2\u003eTransform your saltwater testing with the HI772\u003c\/h2\u003e\n\u003cp\u003eMeet the WLR Industries Hanna HI772 Checker, a handheld colorimeter designed to measure alkalinity in saltwater aquariums, reporting in degrees of carbonate hardness (dKH). Its compact, portable form makes on-the-spot testing practical for reef tanks, marine labs, and field setups. The HI772 delivers quick, colorimetric readings that help you understand your tank’s chemistry without bulky equipment.\u003c\/p\u003e\n\u003ch2\u003eWhy alkalinity matters in reef and saltwater tanks\u003c\/h2\u003e\n\u003cp\u003eAlkalinity provides the carbonate ions that reef-building organisms rely on to form calcium carbonate skeletons. It also acts as a pH buffer, helping stabilize pH amid daily fluctuations and tank activity. Regular checks can guide thoughtful maintenance decisions and support a stable, vibrant underwater environment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect measurement of alkalinity: Quick, objective readings with a dedicated colorimeter\u003c\/li\u003e\n  \u003cli\u003eMore accurate and consistent than some chemical test kits: minimizes guesswork\u003c\/li\u003e\n  \u003cli\u003eMulti-use tool for aquariums and marine biology applications: useful in both hobby and lab contexts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith a handheld design, you can take readings during water changes, after livestock additions, or as part of routine maintenance. The HI772 is designed to deliver results in a few easy steps, reducing the time between sampling and understanding your tank’s chemistry. This streamlined workflow can help you explore how alkalinity shifts relate to feeding, lighting, and seasonal changes—without committing to promises or guarantees.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact design for on-the-go testing\u003c\/li\u003e\n  \u003cli\u003eEasy operation with a user-friendly interface\u003c\/li\u003e\n  \u003cli\u003ePortable measurement tool suitable for field and lab use\u003c\/li\u003e\n  \u003cli\u003eCost-effective option against some traditional test kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eReef hobbyists may monitor alkalinity during routine maintenance to better understand how your tank responds to water changes and feeding. Marine biology programs can rely on a portable colorimeter for quick checks in classrooms or on-site labs. Technicians performing routine rounds can confirm readings before making adjustments to pH buffers or additives, saving time and reducing waste.\u003c\/p\u003e\n\u003ch3\u003eWhat you get with HI772\u003c\/h3\u003e\n\u003cp\u003eThe HI772 is designed as a direct alkalinity tester that provides immediate colorimetric results in dKH. Its compact, handheld form travels with you, whether you’re testing at home, in the classroom, or on a site visit. While results are actionable, they should be interpreted as part of a broader tank-management plan.\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 is the HI772 used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It is a handheld colorimeter that measures alkalinity in saltwater aquariums in dKH.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does HI772 compare to traditional test kits?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It provides direct, quick readings with a compact, portable design, offering faster results and less waste.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"WLR Industries","offers":[{"title":"Default Title","offer_id":53552434938185,"sku":"B0D7K2B7RW","price":82.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/wlr-hanna-hi772-alk-checker-front-view.jpg?v=1766253878","url":"https:\/\/petvita.co.uk\/products\/wlr-industries-hanna-hi772-checker-saltwater-alkalinity-colorimeter-tester","provider":"Petvita","version":"1.0","type":"link"}