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The Hanna Marine Calcium Checker\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003euses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"checker compact and portable meter\" src=\"https:\/\/hannainst.com.au\/media\/wysiwyg\/products\/checkers\/checker-compact-portable.png\" alt=\"checker compact and portable meter\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCompact, Portable Design\u003c\/h3\u003e\n\u003cp\u003e\u003cimg title=\"checker built-in timer\" src=\"https:\/\/hannainst.com.au\/media\/wysiwyg\/products\/checkers\/checker-timer.png\" alt=\"checker built-in timer\"\u003e\u003c\/p\u003e\n\u003ch3\u003eBuilt-in Timer\u003c\/h3\u003e\n\u003cp\u003e\u003cimg title=\"checker one-button operation\" src=\"https:\/\/hannainst.com.au\/media\/wysiwyg\/products\/checkers\/checker-one-button.png\" alt=\"checker one-button operation\"\u003e\u003c\/p\u003e\n\u003ch3\u003eOne-Button Operation\u003c\/h3\u003e","published_at":"2019-11-13T11:56:14+08:00","created_at":"2019-11-13T09:41:50+08:00","vendor":"Aquarium Gallery","type":"test kits","tags":[],"price":9900,"price_min":9900,"price_max":9900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31217734647939,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"h1758","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Hanna Marine Calcium Checker®","public_title":null,"options":["Default Title"],"price":9900,"weight":0,"compare_at_price":null,"inventory_quantity":2,"inventory_management":"shopify","inventory_policy":"deny","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-front_1200x1200_300_rgb.jpg?v=1573613943","\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-open-angle_1200x1200_300_rgb.jpg?v=1573613943"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-front_1200x1200_300_rgb.jpg?v=1573613943","options":["Title"],"media":[{"alt":null,"id":5682379620483,"position":1,"preview_image":{"aspect_ratio":1.0,"height":210,"width":210,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-front_1200x1200_300_rgb.jpg?v=1573613928"},"aspect_ratio":1.0,"height":210,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-front_1200x1200_300_rgb.jpg?v=1573613928","width":210},{"alt":null,"id":5682272206979,"position":2,"preview_image":{"aspect_ratio":1.0,"height":75,"width":75,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-open-angle_1200x1200_300_rgb.jpg?v=1573609310"},"aspect_ratio":1.0,"height":75,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0491\/5593\/products\/hi758-checkerhc-open-angle_1200x1200_300_rgb.jpg?v=1573609310","width":75}],"content":"\u003cp\u003eThe Hanna Marine Calcium Checker\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003ebridges the gap between simple chemical test kits and professional instrumentation. 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The Hanna Marine Calcium Checker\u003csup\u003e®\u003c\/sup\u003e\u003cspan\u003e \u003c\/span\u003euses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"checker compact and portable meter\" src=\"https:\/\/hannainst.com.au\/media\/wysiwyg\/products\/checkers\/checker-compact-portable.png\" alt=\"checker compact and portable meter\"\u003e\u003c\/p\u003e\n\u003ch3\u003eCompact, Portable Design\u003c\/h3\u003e\n\u003cp\u003e\u003cimg title=\"checker built-in timer\" src=\"https:\/\/hannainst.com.au\/media\/wysiwyg\/products\/checkers\/checker-timer.png\" alt=\"checker built-in timer\"\u003e\u003c\/p\u003e\n\u003ch3\u003eBuilt-in Timer\u003c\/h3\u003e\n\u003cp\u003e\u003cimg title=\"checker one-button operation\" src=\"https:\/\/hannainst.com.au\/media\/wysiwyg\/products\/checkers\/checker-one-button.png\" alt=\"checker one-button operation\"\u003e\u003c\/p\u003e\n\u003ch3\u003eOne-Button Operation\u003c\/h3\u003e"}

Hanna Marine Calcium Checker®

Product Description

The Hanna Marine Calcium Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine absorbance and ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Marine Calcium Checker® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

checker compact and portable meter

Compact, Portable Design

checker built-in timer

Built-in Timer

checker one-button operation

One-Button Operation

$99.00
Maximum quantity available reached.

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