Tank has been running over a year and a half and for the past the PH has been between 8.15 - 8.35 on a daily basis....went out of town for the weekend and when I returned, PH is now at 8.56 in late afternoon and low of 8.28 overnight....
How can I get it to lower into a more favorable range?
How can I get it to lower into a more favorable range?