Yeah it's poo... Happens here occasionally too - but not all the time.

We just make sure we put an extra rinse cycle in and it's usually fine. Only happens about once a month here - but not sure why

The worst it ever happened was one time (and band camp ) when I didn't notice and got some marks on my washing that I did the next day I had to re-wash some of that stuff. But that only happened once.

Oh - and I should point out that we don't have a little squirt - we just scrape