The Lounge is rated PG. If you're about to post something you wouldn't want your
kid sister to read then don't post it. No flame wars, no abusive conduct, no programming
questions and please don't post ads.
I was more concerned about the detergent discolouring or harming the plastic
Nup. The color is all the way through - there shouldn't be a drama. Boil the kettle, pour the water in a cup with a little normal washing up detergent. Wait a bit until your wife can put her finger in it, then chuck in a couple of lego. Stir. If no damage go for the dishwasher (on the shortest cycle).
(Disclaimer: I work with polymers, more particularly PVC, but I also produce alot of stuff made from engineering plastics)
I don't speak Idiot - please talk slowly and clearly