I have an 80 watt one . . . its more than capable of taking the temperature up to 35C in a few hours when your temperature controller throws a wobbler . . . Don't ask how I know this :twisted: :twisted: :twisted: also don't ttry to drink Lager at blood heat . . . . Had to watch the Irish game sober when I had planned on being three sheets to the wind nad not giving a toss who won or lost :cry: :cry: :cry: :cry: :cry: :cry: :cry: