Hydor Theo Heater 200 Watt for 26-53 Gallons (24/Cs) – No Stress Hydroponics
Amazon.com : Orlushy Submersible Aquarium Heater,200W Adjustable Fish Tahk Heater with 2 Suction Cups Free Thermometer Suitable for Marine Saltwater and Freshwater : Pet Supplies
Tetra Submersible Aquarium Heater & Electronic Thermostat, 200-watt, 40-55 gallons | On Sale | HealthyPets
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