{"product_id":"gt-ph-buffer-4-00","title":"GT PH BUFFER 4.00","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eExpertly Calibrate Your pH Meter for Maximum Accuracy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy Use pH Buffer 7 \u0026amp; pH Buffer 4?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor the most precise and reliable pH readings, always calibrate first with pH Buffer 7, then pH Buffer 4.\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eProvides accurate two-point calibration using trusted reference standards\u003c\/li\u003e\n\u003cli\u003eEnsures consistent, dependable measurements over time — even as the meter ages\u003c\/li\u003e\n\u003cli\u003eConfirms meter performance and helps identify\/correct any drift or inaccuracies\u003c\/li\u003e\n\u003cli\u003eEssential for hydroponics, aquaponics, soil testing, lab work, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSimple Two-Point Calibration Guide\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFollow these steps in order for best results:\u003c\/p\u003e\n\u003col dir=\"auto\"\u003e\n\u003cli\u003ePour enough pH Buffer 7 into a clean container to fully submerge the pH probe.\u003c\/li\u003e\n\u003cli\u003ePlace the probe into the solution and calibrate the meter according to the manufacturer’s instructions.\u003c\/li\u003e\n\u003cli\u003eRemove the probe, rinse thoroughly with tap water, and discard the used pH Buffer 7 (do not reuse).\u003c\/li\u003e\n\u003cli\u003eRepeat the process using pH Buffer 4: pour fresh buffer, submerge the probe, calibrate again per manufacturer instructions, rinse with tap water, and discard the used buffer.\u003c\/li\u003e\n\u003cli\u003eImmediately store the probe in GT pH Probe Storage Solution (never in plain water).\u003c\/li\u003e\n\u003cli\u003eFor optimal accuracy, recalibrate weekly or before each critical use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eStorage Recommendations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStore both buffers (and your pH meter when not in use) in a cool, dark place away from direct sunlight or heat.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThese high-quality, NIST-traceable buffers deliver the precision you need for consistent, trustworthy pH results every time.\u003c\/p\u003e","brand":"Growth Technology","offers":[{"title":"250mL","offer_id":48814245249176,"sku":"TESGTE028","price":4.05,"currency_code":"AUD","in_stock":true},{"title":"1L","offer_id":48814245347480,"sku":"TESGTE034-1","price":21.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/3223\/2088\/files\/Growth-technology-buffer-4.0.jpg?v=1774757444","url":"https:\/\/accent-wholesale.myshopify.com\/products\/gt-ph-buffer-4-00","provider":"Accent Wholesale","version":"1.0","type":"link"}