Basic explanation of BBB here (sticky in this section of the forum) -
http://www.poolforum.com/pf2/showthread.php?t=7408
Basic explanation of BBB here (sticky in this section of the forum) -
http://www.poolforum.com/pf2/showthread.php?t=7408
IG concrete, 16K gallon, DE, BBB, Polaris 360
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