TRIDENT TOWERGUARD S from Share is a water system treatment specifically formulated for open recirculating systems where the make-up water ranges from highly corrosive to mildly scaling. It possesses a superior phosphate corrosion inhibitor combined with a calcium phosphate stabilizer to provide a passivating barrier between the metal surface of your system and the water medium. TRIDENT TOWERGUARD S contains no chromate or zinc and is recommended where extremely low pollution potential is required. Cooling water systems operating under high pH conditions and high concentrations of soluble iron will greatly benefit from the use of TRIDENT TOWERGUARD S. Protect your open recirculating cooling water system with TRIDENT TOWERGUARD S form Share.