Canreef Aquatics Bulletin Board - FN Potassium test kit

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martym

11-05-2008 09:10 PM

FN Potassium test kit

Has anyone used this test kit before? I just got mine and when I mixed the 2 samples i can not see the cross hairs in the standard test, so i can't tell what the aquarium is testing. Did I do something wrong?
Thanks

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