was raising new pool water TA with baking soda, did as said raised it 10 points per dose. 3rd day did double dose to go up from 50, TA is now 330!! PH went down to below 6.8 lowest on my test tube it was on 7.2 range, chlorine dropped to lighter than 0.5 it was 2-4. cya is normal, hardness is...