The GSI (Galcon Smart Irrigation) web-based controller gives users real time system alarm notifications on their computer or smart phone, an interactive user interface and flow-sensing capabilities that enable both high- and low-flow reaction to help reduce water loss and prevent equipment damage. The controller also offers scheduling based on plant type and percentage based adjustments, and fertigation control and programming. The system’s cloud-based application allows access from any computer with internet access. No software download or dedicated computer is required. It is compatible with most existing irrigation valves and solenoids. Users get free online data access; there are no annual or monthly fees.