{"product_id":"15-pack-ph-buffer-calibration-powder-kit-for-easy","title":"15 Pack pH Buffer Calibration Powder Kit For Easy And Precise pH Checks, Mix With 250 mL Distilled Water, Includes 4.01pH 6.86pH And 9.18pH Standards For Accurate Lab Readings","description":"\u003cdiv\u003e15-Pack pH Buffer Calibration Kit for Accurate Readings\u003cbr\u003e\n✔️ Includes 15 packets: 5x4.01, 5x6.86, 5x9.18 buffers and 250 mL water \u003cp\u003eThis 15-pack pH buffer calibration kit enables quick, precise pH readings by creating stable reference solutions at standard pH values. Mix with 250 mL distilled water to calibrate pH meters; it's ideal for testing drinking water, aquariums, hydroponics, pools, and spa maintenance. Note: It is not a drinkable solution, please keep it out of reach of children aged 0-3!\u003c\/p\u003e \u003cp\u003e✅ 5x4.01 solution (potassium hydrogen phthalate) \u003cbr\u003e✅ 5x6.86 solution (mixed phosphate) \u003cbr\u003e✅ 5x9.18 solution (borax) \u003cbr\u003e✅ 250 mL water per calibration to prepare the reference solution \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a pH buffer calibration kit used for and how does it improve readings?\u003c\/p\u003e\nThis handy kit gives stable reference points to help pH meters stay accurate across testing scenarios.\n- Handy for labs, classrooms, and hobby projects\n- Includes 4.01, 6.86, and 9.18 pH standards for reliable calibration\n- Uses 250 mL water to prepare calibration solutions consistently\n- Reduces drift and improves repeatability of measurements\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48159631048939,"sku":"VXB09DCP4HNH","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61qlcx9coyL.jpg?v=1777453854","url":"https:\/\/vxb.com\/products\/15-pack-ph-buffer-calibration-powder-kit-for-easy","provider":"VXB Bearings","version":"1.0","type":"link"}