This floating tablet dispenser is for use with our chlorine or bromine tablets. The tablet dispenser will float on the surface of the water and feed chemicals into the water at a rate set by you. The tablet dispenser allows a continuous chlorine, bromine level to be maintained over a period of time. This tablet dispenser is suitable for use with swimming pools, spas or hot tubs. The tablet dispenser should be removed from the water whilst the swimming pool or spa is in use. For 20g tablets.