A system for remotely monitoring and/or controlling a pool or spa. The remote control can utilize a microprocessor-based data acquisition and processing system, along with a network interface, to provide remote access to the pool or spa parameters, including but not limited to: temperature, pH, and ORP levels; and the status and control of pumps, heaters, ozone apparatus, and filters. The information is presentable via the Internet, a private or other networks, and can be accessed through known browsers or other convenient interfaces, allowing for operation across all computing platforms.