wrote in message
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Had some boards at work with 'lytic caps leaking acid. SWMBO said no way
bringing them home. Company bought a dishwasher explicitly for electronics
cleaning and it works very well. I use a small amount of detergent, no
active drying in the dishwasher but we also have a commercial food
dehydrator for 'baking' tapes. 17 hours at 125F makes the boards look and
work like new again.

Boards have had water soluble flux since they banned the solvents to protect
the ozone layer.

AFAIK: all PCBs are cleaned in water nowadays.