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Heater Placement | My Aquarium Club
50 Watt Submersible Small Fish Tank Heater - hygger
Amazon.com: Hydor Betta Bowl Slim Fish Tank Heater, 7.5-watt, measures 3.5 inches round, black; For tanks 2-5 gallons : Pet Supplies
Fluval 25-Watt Aquarium Heater for Nano Fish Tanks | Mini 25W Heater – Aquarium Co-Op
