For a couple of hives, an old refrigerator with a 75 or 100 watt bulb hooked up inside. Make sure the refer is big enough to hold the boxes. --------------- Richard Yarnell, SHAMBLES WORKSHOPS | No gimmick we try, no "scientific" Beavercreek, OR. Makers of fine | fix we attempt, will save our planet Wooden Canoes, The Stack(R) urban | until we reduce the population. Let's composter, fly tying benches | leave our kids a decent place to live.