Fast Acting Water Clarifier: For use with hot tubs, swimming pools and paddling pools for crystal clear water Effectively Treats Cloudy Or Dull Looking Water: Which can be caused by dead algae, skin cells, dirt and grime Transforms Unhygienic Environments: By binding tiny particles together so your filter can work more efficiently and remove the dirt/grime Easy To Use: by simply pouring the recommended dose (stated clearly on the bottle) whilst the pump is turned on for efficient distribution Bishta Approved Chemicals: Clearwater is BISHTA approved and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment