Check the listing for details. BioGuard Power-Floc 32 oz - 3 Pack. Condition: New. Listed at 89.97 USD. BioGuard Power-Floc restores water sparkle by floccing (sinking to the bottom) suspended particles that may cause cloudy or dull water. Power-Floc works overnight settling dead algae and suspended particles to the bottom of the pool so they can be vacuumed out to waste. Product Benefits: Clears heavily clouded pools Restores water sparkle Highly concentrated Contains no metals Easy to use (no mixing) Works with all types of pools & filters Does not effect water balance Directions: Shake well before using Clean skimmer, hair and lint pot, and backwash filter Adjust pH to 7.5 to 8.0 for best results Apply at a rate of 8 oz. per 10,000 gallons. For extremely cloudy pools use double the normal dosage Remove any chemical products from skimmer basket Usage with Sand Filters: With pump on and filter valve on Recirculate, pour Power-Floc slowly into skimmer For sand filters without a Recirculate option - clean filter and pour Power-Floc into a large pail of water (dilution of 8 oz. per 1 gallon of water) and apply solution evenly over the surface of the pool Usage with Cartridge Filters: Remove cartridge filter element from filter tank Reassemble filter tank without filter element With pump on, pour Power-Floc slowly into skimmer Allow pump to circulate for 2 hours then turn pump off 12-24 hours later, slowly vacuum to waste (Do not vacuum debris through filter) Backwash filter and clean filter with Strip Kwik then resume normal filter cycle Check pH and readjust, if needed, to 7.2-7.6