Hey my name is Andy, I’m very new to pools. The place we bought it from isn’t much help. Apparently too busy. For a brand new pool with a SWG, do I add salt and let the motor run before I take the water in for testing? Or do I take in untreated water for them to tell me how many of these bags of salt to put in. They gave me 12 40lb bags with a 30’rnd AG