How to strip wash your nappies & do a maintenance wash

if your using dishwahing stuff do you put it in the drum or the draw and on hot or cold wash

I've just done the loooooooonnnnggggg soakin in the tub strip method and omg the rinses lol
But it's worked thank god. Mine were stinking after my dd had them on for only an 1 hr. we have really hard water here so I also use calgon in my soaking also. One thing I have noticed though, as all my nappies are being stripped dd is
In disppossies and she has come out in a rash? Do u think she could be allergic?