Dave Tweed wrote: > Most fish tank pumps pump air, not water. But water pumps are out there. I know because I bought the pump for my temperature controlled water bath at a pet shop and it was sold as a "fish tank pump". Of course that was in 1980, so maybe the fish have developed better technology by now. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist