The Ultimate Guide to Pool Maintenance, Third Edition
Terry Tamminenis a leading expert on pools and spas, serving as technical advisor on a variety of water chemistry and pool technology projects for over 25 years, and as owner/operator of a pool/spa service business in California.  He is the founder of the Santa Monica Bay Keeper and the San Diego Bay Keeper, activist organizations dedicated to preserving and protecting coastal resources in California. He is the author of several books, includingThe Ultimate Guide to Spas and Hot TubsandUltimate Guide to Above-Ground Pools published by McGraw-Hill.