VERENIX 18 Pcs pH Meter Buffer Solution Powder, pH Buffer Calibration Solution Powder, pH Meter Calibration Packets for Precise and Easy Use, 4.01pH, 6.86pH and 9.18pH, with Organizer
18 Packs Contents: 6*pH 4.01 solution powder, 6*pH 6.86 solution powder, 6*pH 9.18 solution powder, which can meet all pH requirements and is flexible in use.
Easy to Use: Mix the buffer powder with 250ML distilled water, put the pH meter into the solution, stir gently, and wait for a few seconds to get the result.
Accuracy: The accuracy of the buffer at 25°C is within ±0.01 pH units, and it can remain stable for a long time. It is sealed in a durable moisture-proof individual packaging to keep it fresh until use.
Works with Any PH Meter: This buffer powder will work with any electronic pH Meter. Ideal for Calibrating.
Wide Range of Applications: testing the pH balance of water, aquariums, swimming pools, spas or hydroponics.
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