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Hey there, fc: .25 Tc: .61 PH: 7.5 Ta: 93 Ch: 822 Cya: 50 Copper: .3 Phosphates: 1812 TDS: 3100 *EDIT* just did some more research. We have a multi valve filter. Should we backwash first, add more de, and then set to recirculate and start SLAMing the pool? Or backwash after we SLAM the...