This easy-to-use, dual action sand filter renewer removes organic and inorganic buildup and cleans sand particles during the backwash cycle. Just pour it into the skimmer during the backwash cycle.
Ultima Back wash
- Renews sand filters by breaking down caked-on oils and minerals
- Compatible with all sanitizers including bromine, chlorine, salt water, ozone, minerals, and biguanide
Available Size: 32 fl. oz.