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50W/300W/500w/1000w aquarium fish tank high-power electronic PTC heating rod heater auto switch off without water or too hot - AliExpress
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Seven Master Aquarium Water Heater Submersible Aquarium Tank Thermostat 50 100 200 300 500W Heating for Aquarium Accessories | Lazada
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YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 200W 300W with External Temperature Controller, LED Display, Used for 5/10/20/40/60 Gallons (25 Watts) : Amazon.ca: Pet Supplies
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