Filter bacteria growth under PH 5. Home › Forums › Global › Methods › Filter bacteria growth under PH 5. This topic has 17 replies, 9 voices, and was last updated 9 years, 5 months ago by Maurice Matla. Viewing 2 posts - 16 through 17 (of 17 total) ← 1 2 Author Posts November 2, 2015 at 1:12 pm #8521 Jolanda WissebornParticipant Hello Vale, what if you don’t use any carbon in the filters, could this also be an influence of the AOA? November 3, 2015 at 4:51 pm #8525 Maurice MatlaParticipant That is quite some interresting stuff to dig in too. I have been absent for a little while we very recently lost my eldest sister at age 40. So i had other things on my mind. But it is nice too see how this thread is developing. Author Posts Viewing 2 posts - 16 through 17 (of 17 total) ← 1 2 You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In