{"product_id":"bluelab-ph-4-0-calibration-solution-500-ml","title":"Bluelab pH 4.0 Calibration Solution (500 ml)","description":"\u003ch2 data-start=\"282\" data-end=\"342\"\u003e\u003cstrong\u003eBluelab pH 4.0 Calibration Solution — 500 ml (16.9 fl oz)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"343\" data-end=\"719\"\u003eMaintain accurate pH readings and protect your equipment with Bluelab pH 4.0 Calibration Solution (500 ml \/ 16.9 fl oz)—an essential calibration buffer for growers who rely on precise pH control. Regular calibration helps ensure your nutrient solution stays in the right range for optimal nutrient availability, while supporting the long-term performance of your pH probe.\u003c\/p\u003e\n\u003cp data-start=\"721\" data-end=\"971\"\u003eBluelab calibration solutions are formulated specifically for Bluelab® products and referenced to high laboratory standards, giving you consistent, reliable calibration points that help your Bluelab meters and probes stay accurate for longer.\u003c\/p\u003e\n\u003ch3 data-start=\"973\" data-end=\"989\"\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"990\" data-end=\"1292\"\u003e\n\u003cli data-start=\"990\" data-end=\"1052\"\u003e\n\u003cp data-start=\"992\" data-end=\"1052\"\u003epH 4.0 buffer solution for accurate pH probe calibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1053\" data-end=\"1114\"\u003e\n\u003cp data-start=\"1055\" data-end=\"1114\"\u003eSupports consistent readings for better nutrient management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1115\" data-end=\"1185\"\u003e\n\u003cp data-start=\"1117\" data-end=\"1185\"\u003eHelps extend pH probe life with routine cleaning and calibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1186\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1238\"\u003eHigh-quality, lab-standard referenced solution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1239\" data-end=\"1292\"\u003e\n\u003cp data-start=\"1241\" data-end=\"1292\"\u003eEssential for use with all Bluelab® pH products\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1294\" data-end=\"1305\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1306\" data-end=\"1497\"\u003e\n\u003cli data-start=\"1306\" data-end=\"1341\"\u003e\n\u003cp data-start=\"1308\" data-end=\"1341\"\u003e\u003cstrong data-start=\"1308\" data-end=\"1319\"\u003eVolume:\u003c\/strong\u003e 500 ml \/ 16.9 fl oz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1342\" data-end=\"1425\"\u003e\n\u003cp data-start=\"1344\" data-end=\"1425\"\u003e\u003cstrong data-start=\"1344\" data-end=\"1356\"\u003ePurpose:\u003c\/strong\u003e pH probe calibration (commonly used as the acidic reference point)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1426\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1428\" data-end=\"1497\"\u003e\u003cstrong data-start=\"1428\" data-end=\"1440\"\u003eQuality:\u003c\/strong\u003e Manufactured to high laboratory standards for accuracy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1499\" data-end=\"1520\"\u003e\u003cstrong\u003eBest Practice Tip\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1521\" data-end=\"1683\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePour a small amount into a clean container for calibration, then discard after use to prevent contamination—this keeps your remaining solution fresh and accurate.\u003c\/p\u003e","brand":"BlueLab","offers":[{"title":"Default Title","offer_id":39964938534955,"sku":"BIO72350","price":29.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5010\/4875\/products\/Bluelab_pH_4.0_Calibration_Solution_500_ml.jpg?v=1771769401","url":"https:\/\/canadagrowsupplies.com\/products\/bluelab-ph-4-0-calibration-solution-500-ml","provider":"Canada Grow Supplies","version":"1.0","type":"link"}