{"product_id":"ph-4-0-calibration-solution","title":"pH 4.0 Calibration Solution","description":"\u003ch1\u003eDescription\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eBluelab\u003c\/span\u003e\u003cspan\u003e calibration solutions are essential for use with all Bluelab\u003c\/span\u003e\u003cspan\u003e products. \u003c\/span\u003e\u003cspan\u003eBluelab\u003c\/span\u003e\u003cspan\u003e Solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your pH measurement tools\u003c\/span\u003e\u003cspan\u003e last longer and maintain accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eElectrodes need to be calibrated on a regular basis because as an electrode ages, its glass changes resistance. This resistance change alters the electrode potential, and therefore, accuracy of the reading. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCalibration Solution should be stored in a cool place out of direct sun and heat.\u003c\/em\u003e\u003c\/p\u003e","brand":"BlueLab","offers":[{"title":"18ml","offer_id":43826253136115,"sku":"","price":35.0,"currency_code":"ZAR","in_stock":true},{"title":"250ml","offer_id":43826252447987,"sku":"","price":295.0,"currency_code":"ZAR","in_stock":true},{"title":"500ml","offer_id":34481204887705,"sku":"","price":380.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/9087\/6044\/products\/Bluelab-CALSolution-pH4-MR-flat-CMYK.png?v=1596447248","url":"https:\/\/greenwares.myshopify.com\/products\/ph-4-0-calibration-solution","provider":"Green Houston","version":"1.0","type":"link"}