PoolManual.com
poolmanual.com
Series of articles about pool maintenance procedures, chemicals, and equipment.
Hot Tub Guide.com
hottubguide.com
Information on hot tubs and spas. Compare features and models from spa manufacturers.
Discount Pool and Spa Supplies Technical Reference
discount-pool-supplies.com
A very helpful technical reference for pool and spa owners with a lot of well organized information.
PoolSolutions
poolsolutions.com
Offers pool tips and a directory of links to pool organizations and suppliers.
PoolSpa
poolspa.com
Information including a product directory and locator for pool service professionals, builders, spa dealers and retailers.
Hot Tub Information Central
angelfire.com
Industry insider provides opinion and information about construction and purchase of hot tubs. Includes an active hot tub forum.
Swimming Pools and Swim Spas
swimming.about.com
Guidance on swimming pool, spa, or hot tub design, construction, and maintenance.
Spababes
spababes.com
Features a care guide, glossary, heater, and switch and relay advice.
Poolsearch
poolsearch.org
Articles and forums with advice. Directory of vendors.
Pool & Spa Living Magazine
poolspaliving.com
Information about buying and caring for swimming pools and hot tubs, and links to retailers in Canada and USA. Also sells subscription to its printed magazine.
Backyard Bay
backyardbay.com
Maintenance, purchasing, and safety tips featuring Michael Miller from Backyard Bay Radio Show.
Swimmingpool.com
swimmingpool.com
Discusses types and constructions of backyard pools, with an online design feature, dealer lookup, financing information, and photo gallery.
The Swimming Pool Operators and Owners Resources
caromal.co.uk
Information about installation, water testing and analysis, and chemical safety.
Pool Wizard
havuz.org
Addresses questions about pool water chemistry and safety, and swimming pool problems. Includes step by step guides and pool calculators.
How I Built My Own Swimming Pool
howibuiltmyownpool.com
In-depth information about the option of building your own pool, with pitfalls, advantages, and cost comparisons.
The Finnish Sauna
cankar.org
Mihael Cankar explains the history and ancient Finnish culture of steam bathing, the principles of sauna building, health considerations, as well as a few local terms and expressions.