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Amazon.com: Aquatop 250W Thermo-Quartz Electronic Heater - Fully Submersible for Fish Tanks Up to 85 Gallons, Preset 78F Electric Thermostat, Fresh & Saltwater Use, Aquarium Heaters, TQ-250W : Pet Supplies
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Amazon.com : Uniclife 250 W Aquarium Preset Heater Submersible Tank Warmer with Electronic Thermostat for 60-80 Gallon Fish Tank : Pet Supplies
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Amazon.com: Aquatop 250W Thermo-Quartz Electronic Heater - Fully Submersible for Fish Tanks Up to 85 Gallons, Preset 78F Electric Thermostat, Fresh & Saltwater Use, Aquarium Heaters, TQ-250W : Pet Supplies
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