Angela1108
Aquarium Advice Addict
There is one chemical in some tap water I want to say it is chloramine (someone correct if I am wrong) that can make a false showing of .25 ammonia. It might have been why you got a .25 reading in the beginning but that doesn't harm fish and might have been why you got .25 when you first filled it and now you actually have .25 real ammonia.
With fish in cycling any time I get a .25 I usually do a pwc
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With fish in cycling any time I get a .25 I usually do a pwc
Sent from my iPhone using Aquarium Advice