Alden Leeds: Provides several full lines of swimming pool chemicals to the professionals in the pool business.
Algae Bar: An alternative to chlorine for swimming pools, koi ponds, hot tubs, spas, water gardens, and fountains.
BioGuard: A manufacturer of pool and spa chemicals. Site includes problem water troubleshooting and pool triva monthly contest
Confederate Chemicals: UK supplier of spa chemicals.
Coral Seas: This site features information on Yellow Out, a ecologically-safe algae cleaner. Detailed information is also included at this site.
Crystal Clear Pool and Spa: Manufacturer and exporter of ECLIPSE3 swimming pool treatment.
Earth Science Laboratories Inc.: This site offers information on Non-Chlorine pool and spa care. Site includes interactive water testing and listing of dealers in your area.
Focus Pools: Spa, pool, and hot tub chemicals.
Gaffey Technical Services: UK supplier of commercial pool chemical dosing equipment.
Jack's Magic Products Inc.: Manufactures a complete line of swimming pool stain removal and problem-solving chemicals.
JAJA Group, Inc.: This site provides a wealth of information including various uses for the company's calcium hypochlorite and other water treatment chemicals.
Laporte Water Technologies: Laporte Water Technologies manufacturers quality swimming pool & spa products and accessories. Look for Leisure Time, GLB, Robarb, Blue Devil, and Applied Biochemists for pool spa water treatment.
Lawrason's Pool Products Inc.: Canadian manufacturer of Aqua brand swimming pool and Spa Life brand spa chemicals.
Nature2: Provides alternative sanitation techniques for pools and spas using silver ions and low chlorine levels.
Pacific Sands: Eco-One spa care products. A simple, safe and inexpensive alternative to chlorine and bromine.
Perfect Pool and Spa: Pool and spa care software to monitor and adjust water chemistry.
PoolSoft: Water analysis software for swimming pools and spas.
Ram Chemical & Supply Inc.: Manufacturer of a complete line of pool and spa chemicals.
Stain Eraser: Manufacture of the Stain Eraser.