Jun 1, 2012 #1 Mundle Aquarium Advice Activist Joined Apr 10, 2012 Messages 193 How many watt heater is good for a 10 - 15 litre tank Is 25 watts good
Jun 1, 2012 #2 librarygirl Look It Up Joined Apr 21, 2011 Messages 7,053 Location Rhode Island Yep, 25w is good.