Not shure what you mean by placing on front of chart are you puting the clear part of vial on colors on chart. I have been testing over 30 years and still find this way like driving a model T as far as tecknology had evoled but not as far as testing. color never matches exactly always kinda ike one of colors. Like i said tested today no amonia did no water change. used two different test so what hapened ?
got amonia again
- Thread starter Ronny#66
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