{"product_id":"bluelab-ph-4-0-calibration-solution-250ml","title":"Bluelab pH 4.0 Calibration Solution – 250 ml \/ 8.4 fl oz","description":"\u003cp\u003e\u003cstrong\u003epH 4.0 calibration solution - a must in every grower's toolbox\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-contrast=\"auto\"\u003eContains 1 bottle 250 ml\/8.4 fl oz\u003c\/span\u003e\u003cspan data-ccp-props='{\"134233279\":true,\"201341983\":0,\"335559739\":160,\"335559740\":259}'\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-ccp-props='{\"134233279\":true,\"201341983\":0,\"335559739\":160,\"335559740\":259}'\u003e\u003cspan\u003eBoost your pH products’ longevity with regular cleaning and calibration\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBluelab pH 4.0 Calibration Solution ensures accurate pH meter readings with lab-grade precision. This 250 ml bottle delivers consistent calibration for refractometers, pH meters, and water quality testing equipment. Essential for maintaining measurement accuracy in hydroponic systems, aquaculture, and laboratory environments. Use during routine calibration cycles to verify sensor performance and extend device lifespan. Store in a cool, dry place away from direct sunlight for optimal stability and shelf life.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":42645423521879,"sku":"PH4250BL-1","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/Bluelab-pH-4-Calibration-Solution-250ml_PH4250_1_2.webp?v=1774455134","url":"https:\/\/getultimatenow.com\/products\/bluelab-ph-4-0-calibration-solution-250ml","provider":"Get Ultimate Now ","version":"1.0","type":"link"}