I just use a large plastic photographic tray & conc FeCl3. Rock it gently back & forth by hand - takes ~40 minutes @ room temp. Wear rubber gloves! Debbie. > > I only make small pcb, <100mm long. > > > > air bubbling? I will try and need > > to find a air fan. what kind fan > > will do? Find local movie times and trailers on Yahoo! Movies. http://au.movies.yahoo.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist