{"product_id":"hanna-instruments-ph-hi-780-pocket-checker","title":"Hanna Instruments pH HI-780 Pocket Checker","description":"\u003cp\u003eOver the years however, acidification tendency is to decrease 0.1 to 0.2 pH units\/century. Acidification is a consequence of carbon dioxide (CO₂) absorption in seawaters and oceans. Carbon dioxide reacts with seawater to produce carbonic acid (H₂CO₃).\u003c\/p\u003e\u003cp\u003epH modifications affect marine life growth, reproduction, and communication. Hydrogen ions have a tendency to bond with carbonate to form bicarbonate. The greater attraction to carbonate over calcium can adversely affect skeleton building and can limit coral growth\u003c\/p\u003e\u003cp\u003e-Ideal for aquariums and marine biology\u003cbr\u003e-Easier to use and more accurate than chemical test kits\u003cbr\u003e-Small size, big convenience\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRange: 6.3 to 8.6 pH\u003c\/p\u003e\u003cp\u003eResolution: 0.1\u003c\/p\u003e\u003cp\u003epHAccuracy @ 25°C\/77°F: ±0.2 pH\u003c\/p\u003e\u003cp\u003eLight Source LED @ 525 nm\u003c\/p\u003e\u003cp\u003eLight Detector: silicon photocell\u003c\/p\u003e\u003cp\u003eMethod: colorimetric adaptation of phenol red method\u003c\/p\u003e\u003cp\u003eAuto-off after ten minutes of non-use\u003c\/p\u003e\u003cp\u003eEnvironment 0 to 50°C (32 to 122°F); RH max 95% non-condensing\u003c\/p\u003e\u003cp\u003eBattery Type (1) 1.5V AAA\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrdering Information\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHI-780 Checker HC is supplied with sample cuvettes with caps (2), pH reagent starter set, battery, and instructions\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAccessories purchased separately\u003c\/strong\u003e HI-780-25 Reagent set for approx. - 100 tests. HI-780-11 Calibration set\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":57054872600907,"sku":"HANNA-HI780","price":69.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/7065\/4027\/files\/780-ph_checker_flip_lid_2020.jpg?v=1776426805","url":"https:\/\/krakencorals.co.uk\/products\/hanna-instruments-ph-hi-780-pocket-checker","provider":"Kraken Corals","version":"1.0","type":"link"}