I wouldn't touch the SWG - the only time I modify it is to shut it down if I'm shocking or cleaning it. Otherwise, I keep a few bottles of bleach available in the pool storage area and pour in a bottle whenever FC seems a little low or a few hours before a major swimming event. One bottle is usually enough to raise FC by 3.5 in my pool - I can't imagine ever having to add more than 2 bottles for a single day. Pushing up to shock when CC/algae is already under control seems overkill.
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