JamesW stated: With a swg along with a ta of 80, there's no reason for the ph to generally be lower. Probably he isn't looking through the ph accurately. A swg is mostly ph neutral. I by no means have to raise or lower the ph over a swg pool when the ta is correct.難波近くの紅茶ショップを訪れてきました。お手頃価格のティ�