Cloud Out™ is a specially blended formula that restores water clarity in all swimming pools. The fast-dissolving granular clears cloudy water fast without affecting water balance. Cloud out is compatible with all sanitizers and pool chemicals including salt, chlorine, bromine, biguanide, ozone, UV and minerals. It's especially effective in removing pink, white, and clear deposits in biguanide pools without closing the pool. Available in a 2 lb. bottle which treats 12,000 gallons.