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Description

🌊 Dive into Precision Calibration! Includes a FREE 'How to Use' sheet for effortless calibration. Individually bagged bottles for easy storage and use. Ensure accurate readings with our pH 4.00 and 7.00 solutions. Perfectly suited for all pH meters, making it a versatile choice. Perfect for hydroponics, aquariums, aquaponics, and pools. pH 4.00 & 7.00 250 mL bottles Waterproof labels The pH Buffer Calibration Kit 2-Pack includes two 250 mL bottles of pH 4.00 and pH 7.00 solutions, complete with waterproof labels and a user-friendly guide, making it ideal for hydroponics, aquariums, aquaponics, and pools.

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