For our purposes (water hardness test) is not useful

For our purposes (water hardness test) is not useful

Water Test Strips 5in1 50 * nitrate / nitrite / GH / KH / PH (Misc.)
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Customer Review

We ordered the rods to determine our water hardness. Unfortunately, the colors are on the scale in the lower hardness range so similar that we did not get more than one estimate, somewhere "up to 8". But since we wanted to know if our water hardness Conclusion: Anyone who wants to know, is in some ranges not far with the color scale of these test sticks ...

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