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Review 7.00 pH Calibration FluidFluid
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pH Calibration Solution 7.01
Use this solution to calibrate your pH probe primarily when you will be using it in a low-pH application such as a calcium reactor. It is not usually used to calibrate your pH probe for use in your aquarium itself.
5 stars based on 1 reviews
11 Jan 2019
Finally managed to calibrate the salinity probe