Buy heaters for marine aquariums.Filter Sort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low View:1224All DoPhin (1) Select to buy from DoPhin's range of high quality and superior aquarium thermostat heaters. JUWEL (1) Top quality heaters from JUWEL have been engineered to provide the finest control of your aquarium's temperature. ViaAqua® (1) Buy ViaAqua® heaters for marine aquariums. ViaAqua® – Glass HeaterView options DoPhin – Submersible Thermostat Heater R250.00View options JUWEL – AquaHeat Aquarium Heater R695.00View options