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Amazon.com: hygger 300W Aquarium Heater for Fresh-Water Salt-Water, with External Digital Display Thermostat Controller and Thermometer, Auto Quartz Submersible Heater for Fish Tank 30-60 Gallon : Pet Supplies
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Amazon.com: hygger 40-75 Gallon Small Aquarium Heater with LED Display Controller, Quartz Submersible Fish Tank Heater 300 W Saltwater Freshwater : Pet Supplies
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