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View Full Version : How to Clean Oxide of bare copper PCB's



mrpackethead
04-01-2012, 10:16 PM
Hey, this ones really simple;

Mix 500ml of clean water ( get out of tap ) with 50g of Citric Acid ( buy at supermarket ).. Spray bottle or rag.. Quick wipe over your pcb, with paint brush or similar and it will clean them up nicely, without too much drama.

fathead45
04-01-2012, 11:29 PM
thanks andrew, i have a few that are like this from sulfer.