I scrounged a kitchen crockpot that had a broken insert. It is large enough to put a small container inside. I have not tried it for etching, I use it to clean disassembled model airplane engines. It ought to work well here. BTW, I do this sort of thing in the back yard, not indoors! John Ferrell http://DixieNC.US ----- Original Message ----- From: "microsoftwarecontrol" To: Sent: Tuesday, May 31, 2005 11:52 AM Subject: [EE] pcb eching tank. I find a perfect one have a look what I find, from garage: a bottle heater, 300W and 50 to 110C temperature setting. full plastic and heating surface is taflon http://www.webjb.org/pub/img/05133/000_0964.JPG next thing is how to make fluid mxing. I think over and over, made a conclusion: mechanical shaking is the easiest way. I need to build a shaking table, that all. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist