{"product_id":"ph-7-01-calibration-solution-25x20ml-case-of-25","title":"pH 7.01 Calibration Solution, 25x20mL, case of 26","description":"\u003cp\u003epH 7 is the most frequently used pH buffer. All Hanna solution bottles come with a pH vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy.\u003c\/p\u003e  \u003cp\u003eFormulation Hanna pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie \u0026amp; 186IIe and NIST 158g S.R.M.).\u003c\/p\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":32109289996373,"sku":"HI70007P","price":36.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3099\/1090\/products\/HI70007P_1.jpg?v=1588094296","url":"https:\/\/growmasters.com\/products\/ph-7-01-calibration-solution-25x20ml-case-of-25","provider":"Grow Masters","version":"1.0","type":"link"}