I live in the south and suffer from two things: a pathological fear of bugs and low pH. Therefore, it’s not possible to flood my apartment with fresh air and my pH was stuck at 8.0. So l put an airstone in my hob and nestled the pump in a dense pothos plant (a super high O2 producer and Co2 scrubber- it’s a type of philodendron that grows like crazy). In two days my pH rose to 8.3.