Dyed looks good when wet

[Billg]

Tried my 1st couple parts. Followed the manual. The parts look perfect olive drab as what dye was used when their wet. When dry it turns a purplish chameleon color until it's wetted again then back to the correct color. Thoughts?

[engraver]

Is there a shelf life on the new One-Plate® 1 Electroless Nickel Kit?