PoolSpa - Information including a product directory and locator for pool service professionals, builders, spa dealers and retailers. Poolsearch - Articles and forums with advice. Directory of vendors. Hot Tub Guide - Information on hot tubs and spas. Compare features and models from spa manufacturers. How I Built My Own Swimming Pool - In-depth information about the option of building your own pool, with pitfalls, advantages, and cost comparisons. About.com: Swimming Pools and Swim Spas - Guidance on swimming pool, spa, or hot tub design, construction, and maintenance. Swimmingpool.com - Discusses types and constructions of backyard pools, with an online design feature, dealer lookup, financing information, and photo gallery. Trouble Free Pool - Forum where current and future pool owners can exchange information on pool design, installation, maintenance, and products. Pool Pricer - Information and advice on budgeting, designing, and building a new inground swimming pool. Houzz.com: Swimming Pools and Spas - Photos of many different swimming pool and spa designs to help homeowners identify the setup they want. Pool & Spa Outdoor - 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. Swim University - Guide to pool and spa care, featuring articles, how-to videos, product reviews, and general tips.