High Accuracy --- pH meter calibration solution accuracy is ±0.01pH. Sealed by durable moisture-proof individual packet to maintain freshness until use.
ph Standard Buffer Powder --- Works with All electronic pH meters/ph tester. pH calibration powder is produced with premium quality material under strict conditions.
Easy to use --- pH buffer powder is save time and money. Mix the buffer powder with 250ML distilled water, put the pH meter in the solution and gently stir and wait a few seconds for the result.
Calibration powders enable you to test the pH of your pool, aquarium, water, and more quickly with your pH meter. Small size, easy to carry and store, very convenient.