Thanks Cheryl, I keep testing the top of the fridge, but it doesn't feel warm, also I would have to clean it off. I never thought of on top of the lights, good idea. Jane >>Hi George, >>What are you using for heat under your flats of plants. I am trying to get >>some peppers going and am looking at propagating mats, to the tune of $73, >>and $34 for the smaller one. That is a bit more than I wanted to spend. >>Thanks for the info. > >Well, I'm not George but on top of the refrigerator has worked, on top of >the lights themselves is cosy and warm, and an electric blanket works, too, >as long as water is contained. Cheryl > >Cheryl Schaefer >schaefer @epix.net >Zone 5 in the fabulous Finger Lakes of NY