ALEXANDRIA, Virginia, Oct. 10 -- The Pool and Hot Tub Alliance (formerly the Association of Pool and Spa Professionals) issued the following news release: The Pool & Hot Tub Alliance (PHTA), the trade association representing the swimming pool, hot tub, and spa industry, is proud to announce this year's winners of the PHTA International Awards of Excellence, sponsored by AQUA Magazine. PHTA's International Awards of Excellence program is one of the largest, most well-renowned design competition  more