The HYDROS Triple Optical Water Level Sensor provides reliable, redundant water level monitoring for freshwater and saltwater aquariums. Designed for use with any HYDROS device Sense Port, it requires no additional power source and contains no moving parts, ensuring long-term reliability. The optical sensors are magnetically coupled and can be mounted on most clear, tinted, or painted surfaces up to ½” thick. They operate in daylight or complete darkness, making them ideal for placement inside stands or hidden aquarium compartments. The system includes three sensors for normal operation, low-level refill, and a safety backup to prevent overfilling, providing peace of mind and added redundancy for automated water management.
