Frog Cycler Off-Line Model 5400The Pool Frog Off Line Model 5400 chemical feeder is the greatest way to minimize your pool maintenance routine. This system will offer a second way to kill bacteria in the pool and that process is through the addition of elemental minerals. Using a combination of chlorine and minerals in a pre packaged cartridge, it will lower the use of chlorine by 50% and will not lower the level of sanitizing power in the water. If less chlorine is used, then the