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Hydor Heater for External Canister Filters

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Hydor Heater for External Canister Filters

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Hydor Heater for External Canister Filters

The new sleek design of the Hydor ETH External Thermal Aquarium Heater allows you to add a fish tank heater without anyone seeing it.
This ingenious design attaches inline with your canister filter or return pump.
With 5/8 input and outputs, this external thermal aquarium heater works with virtually all canister filters.
No need to worry about broken coils, as the traditional metal resistor coils have been replaced by a special polymer sheet, silk-screened with heating ink.
Temperature range of the Hydor ETH External Thermal Aquarium Heater is from 65F to 93F.
200 watt for 26-53 gallon aquariums, 300 watt for 53-80 gallon aquariums.
Your fish tank heater should be between 3 to 5 watts per gallon of water.