Just an FYI (and somebody may have already told you this earlier in this thread -- I didn't take the time to re-read it) -------- polyquat will cause your FC to plummet. Then you'll have to add more chlorine to pull it back up.
Just an FYI (and somebody may have already told you this earlier in this thread -- I didn't take the time to re-read it) -------- polyquat will cause your FC to plummet. Then you'll have to add more chlorine to pull it back up.
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