clean up and refill. check fluid you drain out. If the shiny bits are all fine-sized, that is just breakin stuff, nothing to worry about. IF you have nuggets or chunks, THAT would be something to worry about. In the absence of any untoward sound, best practice is to drain/fill at short intervals until the fluid comes out clean.
You did not state the MY, but I believe it is around 34 oz capacity.