Hi,
I just bought a new sponge filter insert thing for my filter as the current one has been going for months. It's currently sitting in the tank so that the bacteria will colonise it. Is this the right thing to do? How long until I can safely put it into the filter? Thanks.
I just bought a new sponge filter insert thing for my filter as the current one has been going for months. It's currently sitting in the tank so that the bacteria will colonise it. Is this the right thing to do? How long until I can safely put it into the filter? Thanks.