Servicing Westchester,Rockland, & New Jersey,we provide pool maintenance,weekly & bi-weekly services,opening & closing,system upgrading,repair & renovation Pool service technicians, also known as swimming pool maintenance technicians, are trained professionals who treat and maintain swimming pool water. They are mainly responsible for testing the pH of the pool water, treating the water with chemicals and fixing any major cracks or leaks in the swimming pool structure. That includes skimming, cleaning, applying chemicals, and routine maintenance of pool pumps and other equipment. It also includes opening and closing your pool