At 06:09 PM 3/6/2004, you wrote: >Step 5. If the box is over about 85 deg F ( 30C for you folks above the >border) You can do one of about three things > >A. Purchase a temp sender and interface for your computer which can lower >the volatage to the bulb > >B, Purchase a light dimmer switch and lower the voltage to the bulb >or >C. You can cut a small hole in the side of the box and let some of the >heat escape > >See above photo > >Step 6. You might need to vary the amount of opening for the correct >amount of heat escapment >Again there are a couple of choices. > >A. You can get a temperature sensor and a servo to vary the degree of >opening that you need >or >B. you can use my alternate cheap method And remember, fellow Heads, that there ARE 25 watt bulbs out there, or two 7 Watt bulbs or ???, for your smaller gardens!! Cheers, John