Blue Horizons Granular Floc sink unwanted debris to the pool floor creating clear sparkling water. Once the particles have settled on the pool floor they should be vacuumed to waste. This product should only be used in pools with sand filtration.
Instructions

Maintain pH levels within the ideal range 7.2–7.6. If the level is not in this range, adjust.
Maintain total alkalinity within the ideal range of 80–150mg/l(ppm).If the level is not in this range, adjust.
Maintain chlorine levels within the ideal range 1–3mg/l(ppm). If the level is not in this range, adjust.
Pre-dissolve this product in a clean plastic container at a maximum rate of 100g of product per 2.2 gallon (10 litres) of clean warm water. Stir well to ensure product is fully dissolved. Add the resulting solution evenly over the whole water surface with the filtration in recirculation mode (not filtration).
Run filtration in recirculation mode for 30 minutes then turn pump off.
Keep filtration off and leave the pool undisturbed for 12–24 hours to allow debris to settle to the bottom of the pool.
Carefully vacuum settled debris to waste.