They are Bioguards slow dissovling chlorine sticks for their 'once a week' program. Hard to find info on bioguard but I bet they are just trichlor.Originally Posted by duraleigh
They are Bioguards slow dissovling chlorine sticks for their 'once a week' program. Hard to find info on bioguard but I bet they are just trichlor.Originally Posted by duraleigh
Retired pool store and commercial pool maintenance guy.
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