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pH Meter Buffer Solution for pH 4.01 (20 ml)

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pH Meter Buffer Solution for pH 4.01 (20 ml)

SKU: 40355

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Make sure that your pH meter is properly calibrated before use. pH Meter Buffer Solution for pH 4.01 will allow you to calibrate you pH meter to a pH of 4.01. A properly calibrated pH meter makes your testing more accurate.
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Additional Information

4.5 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Calibrating fluid
I have some packs of the 4.0 and the 7.0 that I use when recalibrating my pH meter before using it. I keep the fluid in a container and get multiple uses out of it, so the cost isn't very much.
March 22, 2014
Calibrates the pH meter
I use this and the 7.0 solution to calibrate my pH meter and get accurate results. No sense having a pH meter without taking care of it.
February 2, 2014
Get accurate readings
This and the 7.00 solution are needed each time you brew to get accurate pH readings. After using it I save it in a small jar and can get a couple of uses out of it.
January 5, 2014
calibrating fluid
pH meters need to be calibrated to be accurate and this is the fluid I use. I save the contents in a plastic vial so i can get a few uses from it.
October 21, 2013
Good for calibrating your pH meter
Even though its "one use" I keep the contents in a glass jar and get several uses out of it. I use a new package after every 5 uses.
September 27, 2013
Works Great
This buffer works great; everyone should have this when working with ph meters.
February 28, 2013
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