The Titan coolers are supplied with heat a exchanger made from salt water resistant Titanium steel. These heat exchangers are corrosion-resistant and free of contaminations. The cooling units can be used in fresh and salt water as well with various chemicals. The units of the Titan Professional line are automatic machines to control and adjust the water temperature. They work as heat pumps and switch automatically between heating and cooling to keep the water temperature in the desired range. The main application will be for cooling down the aquarium water. But they are also very effective heaters