Soooo.... I opened the pool may 1 but like an idiot I turned off the pump because we got rain here in NY for like 3 weeks straight. Anyway, after many shocks later, a power vac, and multiple backwashings, the pool is just about crystal. Chem is as follows, fc 2.5, ph 7.4, alk, 70, salt 3000, cya...