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Amazon.com: ZHGSERVU 100W/300W/500W Aquarium Heater 500 Watt Fish Tank Heater Submersible Auto Thermostat Turtle Tank Heater 40-90 Gallon with Protective Sleeve and 3 Suckers : Pet Supplies
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hygger 200 300W 500W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 15-120 Gallon Tank
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Amazon.com: ZHGSERVU Aquarium Heater 100W/300W/500W Fish Tank Heater Submersible Auto Thermostat Turtle Tank Heater 10-90 Gallon with Protective Sleeve and 3 Suckers : Pet Supplies
![90 gallon Angelfish, 60 gallon Melon Discus, 20 gallon L sorority Betta, 15 gallon quarantine tank. : r/Aquascape 90 gallon Angelfish, 60 gallon Melon Discus, 20 gallon L sorority Betta, 15 gallon quarantine tank. : r/Aquascape](https://i.redd.it/6gln8upvz9181.jpg)