JamesW mentioned: Using a swg plus a ta of 80, there's no reason for the ph to be low. It's possible he is not looking at the ph effectively. A swg is usually ph neutral. I in no way have to raise or lower the ph with a swg pool when the ta is appropriate.難波駅近くで手袋が買えるおすすめのお店。クリスマスプレゼントに�