haven't changed the water for three days now and have these reading:
ammonia: 0
nitres: 0
nitrates: between 10-25 mg/l
surely it can't be cycled already??? Unless the pump that came with it had not be washed out and was still covered in bacteria?
I have a 72l tank that a friend gave me. It came with what I think is a pump or might be a filter. It has what looks like wire mesh in it and sucks water in and out the top through a tube???
I also have a separate new filter in it. I'm not sure if it was cleaned or not by the last people who...