The APSP is the world’s largest international trade association representing the swimming pool, spa, hot tub and recreational water industries. APSP is the leading industry advocate promoting professional best practices through education, industry standards, and safety.
APSP members adhere to a code of ethics in business and technical practices and share a strong commitment to the safe, healthful, and enjoyable use of industry products.
The APSP effectively replaced another well-known industry organization known as “National Pool and Spa Institute” or NSPI in 2006.
More information at: The Association of Pool & Spa Professionals http://www.apsp.org