15 Pack 6.86 pH Calibration Solution pH Buffer Powder for Precisely and Easily Calibrated pH Meter/Pen/Tester, pH Calibration Packets
$7.99
Description
Easy to use: 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..Works with All electronic pH meters. Produced with premium material..Higher Accuracy: pH tester calibration solution powder accuracy up to ±0.01pH..Sealed by durable moisture-proof individual packet to maintain freshness until use. Small size, easy to carry and store, very convenient..15 pack ph calibration packets: Only pH 6.86.
