Bderick67;2460554; said:Why would you want the bacteria growing in your sponge? What is the biomax for? I clean the sponges in my ACs on a weekly basis, in hot tap water to remove all debries. The sponge is for mechanical filtration and the biomax is for housing the colonies of bacteria(biofiltration).
I also rinse all my mechanical out with hot tap water I got plenty of bio

