Easy to install for Pool Water Maintenance: Pool FROG Bac Pacs are designed to fit into Pool FROG Model 5400 and Model 6100 Cyclers; each cartridge is prefilled with 2.2 lbs. of Trichlor

Optimal Dispenser for Pool Care: Maintain cleaner and clearer water with this chlorine dispenser; each pack only dispenses the amount of chlorine needed, so you don't need to measure or guess

Convenient Supply for Chlorine System: Comes with 3 Pool FROG Bac Pacs, making it easy to replace your Bac Pac every 1 to 3 weeks for continuous pool water maintenance

Reduce Chlorine Significantly: Pool FROG Models reduce chlorine use up to 50%*; less chlorine means the water is easier on skin, swimsuits, and surfaces

Water Care Expertise: FROG has more than 25 years of experience making water care easier & keeping pool, hot tub and swim spa water sanitized; FROG's patented Mineral Technology and prefilled cartridges create cleaner, clearer, softer water