Good evening. I recently converted our pool to chlorine and all went well. When the conversion was complete, I installed a SWG and it's working away. It's been running for about a week now and I just lowered the output a bit because the chlorine was staying at about 4.5 to 5 ppm even at the end of the blazing hot days we're already having. Everything seems to be in good shape except my pH keeps going up. Two days ago, it was above 8 because the color was deeper than anything on the chart. I added muriatic acid per Pool Math based on a guess that it was 8.2. The pH came down to 7.6. Yesterday it was back to 8.0. More muriatic acid and back down to 7.6. This morning it was back at 8.0. Everything else is balanced (TA is slightly high at approx 95) and is staying that way. Any ideas why my pH keeps climbing and what I can do to fix it? Thanks.