Also Known As: Chemical Feeder

A chlorinator dispenses chlorine at a controlled rate. This allows for accurate hourly, daily, weekly or bi-weekly checks of the pool’s disinfectant level.

Automatic gauges indicate whether more chlorine is necessary, as well as whether the water is over chlorinated. If more chlorine is needed, it may be added by simply turning a dial.

In commercial settings, chlorinators are typically automated, wall-mounted devices for liquid dispensing. Chlorine is stored in 55-gallon tanks with containment vats.

Erosion chlorinators use chlorine tablets in their canisters that erode and dissolve the tablets. This creates a concentrated solution that is returned to the pool. The chlorine delivery can be adjusted by raising or lowering a canister in the reservoir. Because the canister is filled with chlorine, gas builds up. A tightly fitted lid should be in place at all times to reduce fumes.

Floating chlorinators are designed to float on top of the pool or spa water. In a pool, the water may not flow through a floater quickly enough to dispense chlorinated water efficiently. Especially in sunlight, which encourages algae growth, a floater may have a tough time keeping the water clean.

A salt water chlorinator generates chlorine from salt, which means no chlorine tablets or granules are necessary. While the pump and filter are running, salt is passed through an electrolytic cell. The solution is then passed into the pool water.