Average Reviews:
(More customer reviews)I wanted a titration based test for hardness (for better accuracy than the test strip kits) and this was one of the few I found. I checked a local pet store and they didn't have hardness tests at all. The instructions are very clear, explaining the types of hardness and how to conduct the test. I found it very easy to use, except that my water is so hard it was off the scale in the instructions! I think the scale goes up to 12 or 13 drops and I was around 22 before I got the color change. But you can fairly easily extrapolate the scale to higher values.
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