I can't figure out why my pH keeps drifting down. It tends to stabilize at 7.2 or 7.3. According to the pool calculator my pH goal should be 7.5 to 7.8 but I just can't seem to get it to stay there. I was adding Borax every other day and then I finally gave up and decided to see what would happen if I just stopped the steady diet of Borax. The pH drops to 7.2 and stays there.
Maybe this is a non-issue. My water is crystal clear. I try to keep my FC at 7.0, towards the high end of the recommended 4-8 range based on my CYA 50 level.
What do you experts think? Could it be related to aeration, or lack of? I'm the only one who uses the pool and I don't splash around much. Usually I'm just dunking in to cool off, or floating on a raft. Is it something to do with my chlorine level? Am I worried about nothing?
Here are my readings (TF-100 kit). Thanks.