Doh!! Thanks, post updated! No wonder it seemed to converge faster when I added a tiny derivative. (The gains were pretty much just guesswork, did two runs with

Doh!! Thanks, post updated! No wonder it seemed to converge faster when I added a tiny derivative. (The gains were pretty much just guesswork, did two runs with just water before adding the eggs. It's a one evening toy setup after all, so don't want to spend too much time calibrating the pid loop)