Bderick67;1377972; said:Tap water kills the "good" bacteria, no matter what the temp. The sponges in my AC110s are for mechanical filtration and I want to remove as much undisolve particulate watse as possible. The "good" bacteria has more then enough area to colonize with a bag of biomax in each AC and the 2 liters of biomedia in the xp3.
Yup!