>Yard sales. Get some aquarium heaters. Heck, they're cheap new. While >you're at it, >nab some old aquarium pumps and airstones and use them to bubble the etchant. This speeds it WAY up. >I use >a 2.5gallon aquarium to hold it all. Large Pyrex baking dish here. -- Terry Bowman, KA4HJH "The Mac Doctor"