On 25, June, the question was asked:

>> I am looking for a temporary way to mark defects on a PCB assembly (other
than the >> red arrows that everyone uses). The boards will go back through a
water wash, so I   >> was thinking a water soluable, non-conductive ink would
be nice. Are there any         >> recommendations?

Good day there!

     Yes, Marshall's (www.marshall.com) carries some markers from Tech Spray
that are called solder-fault markers (PN# 1850-O for orange ones, 1850-W for
white ones), and they're listed at $5.05 each, they contain 10ml of the
marking agent that is said to be non-stringing, quick drying, and can be
cleaned either with warm water or solvent. The agent also contains a black
light indicator so if you really want to be sure you don't miss anything you
can use a black light to make things jump out at you...

-Steve Gregory-

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