Invisa Releases Shareholder Update Letter and Details Market Strategy 
SARASOTA, Fla.—-Aug. 9, 2006–Invisa, Inc. recently announced an important addition to its management team, William Hildebrand, who joined the Company as Senior Vice President of Sales and Marketing.

Human oils, lotions leave sticky ring 
Ihave a 19,000-gallon, in-ground, vinyl-lined pool with two surface skimmers, a cartridge filter, an inline chlorinator and an automatic pool cleaner. The pool pump runs for at least 12 hours a day, and the cleaner runs for about 2½ hours daily.