Pool Frog Bac Pac comes pre-filled with chlorine and easily inserts into the mineral reservoir dispensing low levels of chlorine for 2-3 weeks with precise feeding. You will use up to 50% less chlorine. The handles on the BAC Pac area east to remove and you will never have to touch messy chemicals again.
* Convenient pre-filled packs
* Pre-filled with 2.2 lbs of trichlor chlorine
* No more touching or smelling chlorine fumes
* Up to 50% less chlorine use
* Less work ..More pool time