Aqueon Products - Aqueon Preset Heaters require no adjusting! The preset temperature has been calibrated to 78°, appropriate for most tropical fish. Get the scoop on this practical heater here https://hubs.ly/H0dS_Mp0
After hearing all the heater horror stories while researching for a new tank, I just want to give a shoutout to my Aqueon 50W preset heater for keeping my tank at exactly
Aqueon preset water heater 50 w - 5 gallon tank - YouTube
Amazon.com: Aqueon Submersible Aquarium Heater : Pet Supplies
Aqueon 50 Watt Submersible Heater for up to 20 Gallon Aquariums Fresh/Saltwater | eBay
Amazon.com: Aqueon Submersible Aquarium Heater, 50 Watts, Up to 20 Gallons : Pet Supplies
Amazon.com: IOAOI Aquarium Heater for Fish Tank 50W for up to 20 Gallons Tanks Shatterproof for Both Marine and Fresh Water Engineering Plastic Tube Outside and Stainless Steel Tube Inside Temperature Adjustable :