Hi I have a friend who has decided to get fish, her tank was not fully cycled, there are cory’s and guppies in the tank and this is her readings,
I don’t use teststrips so am a little confused but I think she has high nitrites, can someone please advise what she should do?
I don’t use teststrips so am a little confused but I think she has high nitrites, can someone please advise what she should do?