Check the listing for details. Poolife Backwash Filter Cleaner 1 qt - 12 Pack. Condition: New. Listed at 279.99 USD. Poolife Backwash Filter Cleaner is a highly effective cleaning solution for swimming pool filters that is suitable for use with all types of filters. With no soaking or waiting required, this product quickly and easily removes organic and inorganic buildup, as well as cleaning the sand particles during backwash. Designed to work with busy pool owners' lifestyles, this filter cleaner keeps your pool filter operating at its best with minimal time and effort. The quick 5-minute backwash feature makes maintenance a breeze, ensuring that your pool stays crystal clear and inviting all season long. Product Benefits: Fast acting and no waiting Keeps filters operating at peak efficiency Removes caked-on organics and in-organics from sand particles Quick 5 minute backwash Convenient and time saving Dosage: Adjust valves for full skimmer intake Start the backwashing process as recommended by manufacturer Slowly pour 8 oz. into the skimmer Continue backwashing process according to manufacturer's instructions