DO NOT use oven cleaner on treated PCB like your motherbother! There's a reason a metal machine screw can fall on motherboard traces and not instantly royally fsck things up! Acetone isn't good a choice for this either.
You can purify rubbing alcohol (Isopropyl) with regular non iodized (kosher maybe?) table salt (NaCL). But proper cleaners are probably the best bet for non chemists.
You can purify rubbing alcohol (Isopropyl) with regular non iodized (kosher maybe?) table salt (NaCL). But proper cleaners are probably the best bet for non chemists.