Titanium Heater 500W from Aqua Medic is an alternative to glass heaters . Titanium resists seawater and is unbreakable . Naturally the heaters are equipped with an overheating protection . Heaters should always be installed with a thermostat . For temperature-dependent control, we recommend the Aqua Medic T controller twin.
The JBL ProTemp e500 heater is an external heater integrated in the flexible hose. With a power of 500 watts , it will heat the water of a marine or freshwater aquarium from 160 to 600 liters.