That depends on how high your Calcium Hardness level is. If you're already high, making it higher will just lead to scale formation and possibly mess up the plates in the SWG. If the water is cloudy and/or the CC level is above .5 (Another number you didn't share) then the
SLAM process is called for. And for that, we recommend bleach. Adding lots of
Cal-hypo can lead to cloudiness, which is your original complaint. Why make it worse?