Mini-Digital-Aquarium-Heater-50Watt

FEATURES Wattage: 50w 3ft long power cord Steady temperature One button temperature setting Built in Thermometer for easy temperature checking OVERHEAT PROTECTION Large Easy to Read LCD Display Efficient Built to Last Reliable Element Guard Grill Easy mounting with built in Sucker Corrosion-Resistant Safe for Fresh and Saltwater Heaters are essential equipment for tropical freshwater and saltwater aquariums. As a general rule, the ratio between heater wattage and aquarium size should be approximately 3 to 5 watts for each gallon. Aquarists with larger tanks should consider using more than one heater.