Building a Proofing Box

This is really fairly simple to do.  Acquire a Styrofoam cooler large enough to go over two of your largest mixing bowls.  Mine measures 20½ by 13 inches by 11½ inches deep.  Discard the top which is not used.  Install a porcelain bulb holder centered inside the cooler and attach a power cord to it.  Attach an ordinary dimmer switch into the power cord side of the power cord.  A standard 25 watt bulb is completely adequate for all your needs.


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