pH Calibration Buffer Powder 6 Sets Pack of 12 Packets, for Precise pH Meter Calibration, Make 250 ml of Each 4.00pH and 6.86pH to calibrate Your pH Tester
Product ID: 52390235
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Reviews
B**A
Don't waste your money
Didn't work and it wasn't worth my money or time to return.
J**.
ph buffer
work great definitely recommended them
K**R
Watch what you test
Worked well first time but screwed calibration when tested in vinegar. It drifted thereafter / plan to recalibrate and test again
D**K
Didn’t dissolve well.
Didn’t dissolve well.
M**L
Five Stars
Work's
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TrustScore 4.5 | 7,300+ reviews
Fantastic experience overall. Will recommend to friends and family.
1 month ago
Smooth transaction and product arrived in perfect condition.
3 weeks ago
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