Quote:
Originally Posted by WarDog
At what point (my tank is almost 4 months old) does testing for No2 become a waste of time, if ever? Can the same be asked of ammonia?
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Once your tank has cycled and you have N03, nitrites and ammonia should stay at or near zero, so no need to test further. Unless you have something bad happen, like a tank crash,... but then you will have more to worry about than just testing.