Does lack of filtration cause the pH to rise? My pH is usually around 7 (I try to keep it up, but it keeps going down), but on one recent test I was surprised to get a bright red that looked close to 8.
Would lack of filtration/aeration (The filter shut off for a few days unbeknownst to me, and I also haven't been swimming in about a week) do this? Or was it something else?
The pH is now back down.
Does this mean I should run the filter less often? How come my pH always wants to come down? Eventually doesn't it get ENOUGH Borax??