Tropical Fish Keeping banner

thermostat settings

  1. Heating aquariums - thermostat settings and temperature

    Beginner Freshwater Aquarium
    I've ended up with three small (20L) betta tanks added to my fish menagerie. It's autumn and starting to get cool at night so I've been studying the temperature settings to ensure that everybody's warm enough. I have 25W Aqua One heaters in the tanks. The box said that that size was suitable...