bigfish
Fish Herder
Hi
Just wondered how often you should change the carbon in your internal filters? As i've noticed that during a water change that my water is discoloured (yellow). Can this be bad for my fish? I change 20% of water every week.
Cheers Peeps
Just wondered how often you should change the carbon in your internal filters? As i've noticed that during a water change that my water is discoloured (yellow). Can this be bad for my fish? I change 20% of water every week.
Cheers Peeps