Water chemistry
Flocculant
A flocculant is a product that drops fine particles to the pool floor to be vacuumed out.
Flocculant, or floc, is a heavy-duty cloud clearer. It clumps particles so they sink. You then vacuum them straight out to waste.
The process takes a day. You add floc, run the pump a few hours to mix, turn the pump off overnight, and vacuum to waste in the morning. Do not run the debris through a sand or cartridge filter. Floc needs a way to bypass the filter, so it works best with a multiport valve. It costs water, so top off after.
Related terms
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