| 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. |
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