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Marineland Shatterproof Heater
This fully submersible, space efficient heater is preset to 78°F and features an automatic safety shut-off when it is not submersed in water. Great for freshwater or marine aquariums, the 10 watt heater measures 5” long and is recommended for aquariums up to 3 gallons. 10 watts. Your heater should be between 3 to 5 watts per gallon of water.
