Ron Hudson Posted April 18, 2021 Share Posted April 18, 2021 Fritz complete w/ water change--how long before next readings of ammonia, nitrites and nitrates reliable? Link to comment Share on other sites More sharing options...
Colu Posted April 18, 2021 Share Posted April 18, 2021 I would wait 24hr after a water change to test and I would test just before you do a water change at the end of the week Link to comment Share on other sites More sharing options...
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