Quote Originally Posted by jeremy19
5 celcius ...im not that stupid
Well, 5 celcius is still only 41 fahrenheit... which is far to cold for even mature plants let alone, seedlings that just germinated. Make sure you're not keeping them overly humid because you will damp off very easily in an overly moist and cold climate.

Read up on "damping-off", maybe it'll help.

all the best,
Bob