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SunGrow Betta Heater, 10 Watts, Fully Submersible Aquarium Heater, Automatically Reaches Preset Temperature, Energy-Efficient Heating Module, for Small Tanks, Suction Cups for Easy Installation : Amazon.ca: Pet Supplies
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SunGrow Betta & Turtle Submersible Aquarium Heater with Thermostat, Electric Heat Controller for Tropical Fish Tank Water Temperature, 10-watt, up to 5-gal - Walmart.com
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Submersible Aquarium Heater, 25W Mini Betta Fish Tank Heater External Intelligent LED Temperature Digital Display, Automatically Shut Off When Leaves Water, Suitable for 1-15 Gallon Small Fish Tanks : Amazon.ca: Pet Supplies
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Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies
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