{"product_id":"aqua-master-tools-ph-4-calibration-solution","title":"Aqua Master Tools pH 4 Calibration Solution","description":"\u003ch2\u003e\u003cstrong\u003eAQUA MASTER TOOLS pH 4.01 Calibration Solution – 100ml\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eKeep your pH meter calibrated and accurate with this 100ml pH 4.01 Calibration Solution from AQUA MASTER TOOLS. Traceable to the NIST standard, it delivers a reliable pH 4.01 reference point so your readings stay accurate every time you measure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003e✅ Key features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST traceable\u003c\/strong\u003e – traceable to the NIST standard for verified accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100ml bottle\u003c\/strong\u003e – convenient size for regular calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in bulk\u003c\/strong\u003e – buy individually or as a box of 18 bottles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH 4.01 reference point\u003c\/strong\u003e – calibrated to a pH 4.01 reference at 25°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003e🌡️ Temperature compensation chart\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003epH readings change slightly with temperature. Expected pH value at each temperature:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTemp (°C)\u003c\/th\u003e\n\u003cth\u003epH\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003e4.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e4.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e4.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003e📦 Storage \u0026amp; usage instructions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClose the bottle immediately after use\u003c\/li\u003e\n\u003cli\u003eStore between 15–25°C\u003c\/li\u003e\n\u003cli\u003eDo not return used liquid back into the bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003e🧪 Product specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 100ml\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle number:\u003c\/strong\u003e AMT1103\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 7061118094162\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HOLLAND FORGE","offers":[{"title":"Default Title","offer_id":47411136102569,"sku":"55749","price":11.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0512\/6505\/files\/aqua-master-ph-4-100ml.webp?v=1788490819","url":"https:\/\/agradehydroponics.com\/products\/aqua-master-tools-ph-4-calibration-solution","provider":"A-Grade Hydroponics","version":"1.0","type":"link"}