I think I have balanced the ph and alkalinity with baking soda - prior to this I brushed the pool....I ran recirculation for 24 hours and now have it on filter. The chlorine level is okay. (I chlorinated on Sat night before brushing and adding baking soda). The pool is a lovely cloudy colour. Chlorine is around 3. Should I rechlorinate tomorrow evening to clear the cloudiness? And..how long do I have to wait until I add copper sulphate?