Ultima Back Wash is a dual-action sand filter renewer that removes organic and inorganic buildup and cleans sand particles during the backwash cycle. Just pour it into the skimmer during the backwash cycle.
- Unique dual-action formula
- Keeps filters operating at peak efficiency
- Removes both caked-on organics and inorganics from sand particles
1. Adjust valves for full skimmer(s) intake.
2. Start filter backwashing as recommended by manufacturer.
3. Slowly pour 8 oz. into skimmer.
4. Continue backwashing process according to manufacturer's instructions.
Chlorine, bromine, ozone and biguanide sanitizers.
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