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HITOP Adjustable Aquarium Heater with Protective Cover, 50W 100W 120W Fish Tank Heater for 10/20/30 Gallon Fish Tank or Turtle Tank : Amazon.ca: Pet Supplies
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Tetra Submersible Aquarium Heater 100W, HT30 for 10-30 Gallon Fish Tanks : Amazon.ca: Tools & Home Improvement
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Hitop 50W 100W 300W Submersible Adjustable Aquarium Heater, for 5 – 50 Gallon Fish Tank (100W for 10~30 Gallon) : Amazon.ca: Pet Supplies
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Amazon.com: AQQA Aquarium Heater 100W Submersible Fish Tank Heater 10-30 Gallon Aquarium Betta Heater Small Aquarium with Suction Cups Thermostat Heater for Freshwater & Saltwater(100W) : Pet Supplies
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