Jack’s Magic The Filter Fiber Stuff is a non-toxic cellulose fiber pool filter power and filter aid. Jack’s Magic The Filter Fiber Stuff improves filter performance and lengthens filter cycles.Jack’s Magic The Filter Stuff is a safer to use, store, and backwash filter aid.
Effective alternative replacement for DE filters.Increases filter efficiency in all swimming pool filters.Easy to use. Simply add the powder through your pool’s skimmer.1 bag can fully charge most DE filters.Be sure to dispose and backwash in accordance with your local and state regulations.Water Quality Association Certified and complies with the requirements of NSF/ANSI-50 for swimming pools.