Kills blackspot algae.

Clears cloudy water & adds extra sparkle to any pool.

Clears cloudy water & adds extra sparkle to all pools.

Clarifies dirty & cloudy water.

Clarify very dirty and cloudy pool water and improve filtration.

Increases salt chlorinator cell life & efficiency.

Improves filtration efficiency.

Discourages ducks from entering swimming pools.

Lifts stains from all pool surfaces.

Apply directly on top of stain.

Lifts stains from fibreglass surfaces.

Balances a newly filled or re-filled spa.

Controls algae & bacteria in spa pools.