This multi-purpose granular formulation cleans and unclogs all types of swimming pool filters of grease, oils and scale with a combination of acids and detergents. Its unique chemistry will gradually change from red to yellow as it cleans. 

Useful Tips:

• Use routinely once every month or two during season to maintain efficient operation

• Must be pre-dissolved prior to using this product

• Compatible with chlorine, bromine, salt water chlorine, ozone and biguanide sanitizing systems

Available Size: 2 lbs.