This granular formula quickly eliminates metallic stains from pool surfaces with no need to test the water or close the pool. It is compatible with most types of pool surfaces.
Can be used on most pool surfaces including gunite, most plaster, concrete, vinyl and fiberglass
Not intended for use on pools with black plaster
Compatible with chlorine, bromine, ozone, biguanide and salt water chlorine sanitizing systems
Available Size: 2.5 lbs.