{"product_id":"hanna-hi783-magnesium-checker","title":"Hanna HI783 Magnesium Checker","description":"\u003cdiv class=\"product-view\"\u003e\n\u003cdiv class=\"productView\" data-event-type=\"product\" data-entity-id=\"7234\" data-name=\"Marine Magnesium Checker® HC\" data-product-category=\"\n        Industry\/Water, \n            Industry\/Water\/Aquarium, \n            Brands\/Marine Line, \n            Brands\/Checker® HC, \n            Brands\/Checker® HC\/Saltwater, \n            Parameters\/G - O\/Magnesium, \n            Buy 5 get 1\n    \" data-product-brand=\"Checker®HC Series\" data-product-price=\"\n            74.99\n\" data-product-variant=\"single-product-option\"\u003e\n\u003csection class=\"productView-details product-options\"\u003e\n\u003cdiv class=\"productView-shortDescription\"\u003e\n\u003cp\u003eThe first Magnesium test of its kind for saltwater aquariums, our Marine Magnesium Checker® HC (HI783) is just what every reef tank owner needs. Struggling with test kits is now a thing of the past. Stop guessing or interpreting a color change by eye. Get a fast, accurate digital read-out every time. \u003c\/p\u003e\n\u003cp\u003ePerfect for testing and measuring Magnesium levels in saltwater aquariums, reef tanks, and other marine and aquaculture applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy-to-read, instant digital results\u003c\/li\u003e\n\u003cli\u003eSmall, convenient portable size\u003c\/li\u003e\n\u003cli\u003eUser-friendly, simple directions and steps \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product-before-description\"\u003e \u003c\/div\u003e\n\u003cdiv data-name=\"related-target\" data-position=\"2\"\u003e \u003c\/div\u003e\n\u003cdiv class=\"productView-description\" data-event-type=\"product\"\u003e\n\u003csection id=\"hs_cos_wrapper_widget_1706642324189\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_module\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"module\"\u003e\u003cspan id=\"hs_cos_wrapper_widget_1706642324189_\" class=\"hs_cos_wrapper hs_cos_wrapper_widget hs_cos_wrapper_type_linked_image\" data-hs-cos-general-type=\"widget\" data-hs-cos-type=\"linked_image\"\u003e\u003cimg class=\"hs-image-widget \" title=\"HI783-liz-banne4r\" src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=2300\u0026amp;height=746\u0026amp;name=HI783-liz-banne4r.jpg\" sizes=\"(max-width: 2300px) 100vw, 2300px\" srcset=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=1150\u0026amp;height=373\u0026amp;name=HI783-liz-banne4r.jpg 1150w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=2300\u0026amp;height=746\u0026amp;name=HI783-liz-banne4r.jpg 2300w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=3450\u0026amp;height=1119\u0026amp;name=HI783-liz-banne4r.jpg 3450w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=4600\u0026amp;height=1492\u0026amp;name=HI783-liz-banne4r.jpg 4600w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=5750\u0026amp;height=1865\u0026amp;name=HI783-liz-banne4r.jpg 5750w, https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/HI783-liz-banne4r.jpg?width=6900\u0026amp;height=2238\u0026amp;name=HI783-liz-banne4r.jpg 6900w\" alt=\"HI783-liz-banne4r\" width=\"2300\" height=\"746\"\u003e\u003c\/span\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product-description-split\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-content-region=\"product-after-description\"\u003e \u003c\/div\u003e\n\u003csection class=\"banner--product-resources\"\u003e\n\u003cdiv class=\"custom-fields\"\u003e \u003cbr\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eSaltwater compatible\u003c\/li\u003e\n\u003cli\u003eDedicated to a single parameter\u003c\/li\u003e\n\u003cli\u003eRange: 1000 to 1800 ppm Magnesium\u003c\/li\u003e\n\u003cli\u003eDetermines the concentration of Magnesium colorimetrically using the Beer-Lambert Principle\u003c\/li\u003e\n\u003cli\u003eOne-button operation\u003c\/li\u003e\n\u003cli\u003eA great alternative to chemical test kits\u003c\/li\u003e\n\u003cli\u003eColor-coded syringes for hassle-free testing\u003c\/li\u003e\n\u003cli\u003eAuto shut-off conserves battery energy\u003c\/li\u003e\n\u003cli\u003eLarge LCD screen with digital read-out\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ctable\u003e\n\u003ctbody class=\"hullo\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eMarine Magnesium Checker (HI783) supplied with protective case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReagent set for 25 Magnesium tests (\u003ca href=\"https:\/\/hannainst.com\/reagents-for-25-marine-magnesium-checker-hc-tests-hi783-25.html\"\u003eHI783-25\u003c\/a\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass cuvette and cap (2 pcs.) (\u003ca href=\"https:\/\/hannainst.com\/hi731315-glass-cuvettes-and-caps-for-checker-hc-colorimeters.html\"\u003eHI731315\u003c\/a\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 mL syringe with tip and black printing (1 pc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 mL syringe with tip and blue printing (1 pc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.5V AAA Alkaline battery (1 pc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstruction manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuick reference guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI783\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 to 1800 ppm Magnesium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy @ 25°C (77°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±5% of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLight Emitting Diode @ 610 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Detector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilicon photocell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMethod\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdaptation of the colorimetric EDTA method using calmagite indicator. The reaction between magnesium and the reagents causes a blue to violet tint in the sample.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5V AAA Alkaline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto shut-off\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAfter 10 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 50 °C (32 to 122 °F) max. 95% RH non-condensing. Prepared sample cuvette (sample plus reagents) must be 22 to 28 °C (72 to 82 °F).*Warm or cool prepared cuvettes if needed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 g (2.3 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReagent Set\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI783-25 (25 tests)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration Check\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHI783-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\u003cimg src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/product\/HI783-quick-guide-image-BB.jpg?width=1000\u0026amp;height=299\u0026amp;name=HI783-quick-guide-image-BB.jpg\" alt=\"download-image\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Aquatics Galore","offers":[{"title":"Default Title","offer_id":44522357129295,"sku":null,"price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/6675\/6943\/files\/1e9141e6-c0f8-4d5b-a8e7-685b67c9fc93.jpg?v=1782610632","url":"https:\/\/415fa3-2.myshopify.com\/products\/hanna-hi783-magnesium-checker","provider":"Aquatics Galore","version":"1.0","type":"link"}