ccebr Candiru MFK Member Feb 16, 2010 543 7 48 36 England Feb 20, 2010 #31 I basically always have carbon in my filter to keep the water clear. I recently took it out whilst i am medicating the fish and the water has a slight cloud. Best to replace it every few months.
I basically always have carbon in my filter to keep the water clear. I recently took it out whilst i am medicating the fish and the water has a slight cloud. Best to replace it every few months.
