Customer Review

Reviewed in the United States on January 10, 2015
The calibration fluids were fine, but the pH storage solution grew a spot of something that looks like black mold on the inside of the bottle so I stopped using it. I really only use the 7.0 calibration fluid, as there doesn't seem to be much use for the other two. I bought a large bottle of Oakton pH storage solution and have had it quite some time, and there's been no mold growth. Can't say as I'd buy this kit again, though I'll buy the 7.0 calibration fluid again if Oakton doesn't make one.
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Product Details

4.7 out of 5 stars
4.7 out of 5
415 global ratings