PH Calibration Powder -pH 4.00+6.86 Site Tool

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PH Calibration Powder -pH 4.00+6.86 Site Tool. ±0.01pH at 25°C • Color show as pictures • Each pack volume 250 ml • Each pack volume: 250 ml ⭐ Key Features 1. No need to measure, j ust mix each packs with 250mL distilled water, very easy to use. 2. 8Pcs premium combination, include 4x PH4.01, 4x PH6.86 calibration solution for your multiple needs. 3. Individual sized packets can be tucked in drawer, bag or suitcase for travel. 4. The solution accuracy is ±0.01pH, that can be calibrated with the specified pH values. 5. Great for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics. ⚙ Key Specifications Each pack volume 250 ml Accuracy ±0.01pH at 25°C Size 7.5x6.5cm 1. Prepared distilled water 250mL for each pack. 📦 What’s Included 4 pack PH 4.01 Buffer Powder 4 pack PH 6.86 Buffer Powder ⚠ Important Please do not put it in places where the children they can touch it, so that they can eat it as food. Show more