Fishperson
Aquarium Advice Addict
How do I change my filter without causing a mini cycle?
I have a tetra whisper ex30 filter on my 20H. Do I just swish the medium in water. And how often? The company says every month. I have been told by others only when it is falling apart pretty much? Help please!
I have a tetra whisper ex30 filter on my 20H. Do I just swish the medium in water. And how often? The company says every month. I have been told by others only when it is falling apart pretty much? Help please!