ah yeah i have one of them carbon things that i took out of my other filter. need to see if it fits. if not i'll pick some more up.
How do i know when the carbon is done with? like unable to take anymore out of the water. is there a way you know when? do you just throw them away when finished with?
thanks
How do i know when the carbon is done with? like unable to take anymore out of the water. is there a way you know when? do you just throw them away when finished with?
thanks