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Provides several full lines of swimming pool chemicals to the professionals in the pool business.

An alternative to chlorine for swimming pools, koi ponds, hot tubs, spas, water gardens, and fountains.

A manufacturer of pool and spa chemicals. Site includes problem water troubleshooting and pool triva monthly contest

UK supplier of spa chemicals.

This site features information on Yellow Out, a ecologically-safe algae cleaner. Detailed information is also included at this site.