Aqua Guard Pool System Aqua Guard Pool System Sentry Ultraviolet, makers of the stainless steel ultraviolet light tested by NASA and provider of UV lights to several industries, now applies their technology to provide maximum protection for pools.  The Sentry Aqua Guard Pool System is the ONLY System of its kind! This very powerful, state-of-the-art, water sterilization system comes with our Sentry Aqua Guard UV light and two titration feeders.  It very easily retrofits onto existing pool filters, and we are the only company to make and offer pH Stabilizer for pools.  Our pH Stabilizer is an ALL-NATURAL, TIME-RELEASED product that maintains a stable pH for months. Here are 5 reasons why consumers choose the Aqua Guard Pool System: 99% Chemical-free Super-efficient and cost effective  Costs only pennies per day to operate Long lamp-life  Replace lamp only once each year Locks-in pH for months at a time Maintains crystal clear water For more information about Aquatronics Industries products Contact Us