The Inline TDS Sensor is a compact and precise tool designed to measure Total Dissolved Solids (TDS) in saltwater aquariums. This sensor provides real-time monitoring of water quality by continuously measuring the concentration of dissolved salts, minerals, and other substances in your reef tank. It features two high-quality titanium sensors for accurate readings, ensuring that you can maintain optimal conditions for your marine life. The inline design allows it to be easily integrated into existing plumbing setups with 1/4 inch push-connect fittings, making installation straightforward without the need for tools. With a display cable length of 13 feet and sensor cable length of 24 inches, this sensor offers flexibility in placement within your aquarium system.