The Best Fish Tank, Heater, Light, and Accessories

By Wirecutter
Marina 20G LED Aquarium Kit
"Our pick: A great starter kit without a heater"
Eheim Jäger Thermostatic Aquarium Heater (100 Watts)
"Our pick: The best heater"
Aqueon LED 20 Aquarium Kit
"Runner-up: A good starter kit with a heater"