I agree that growing our own hay would be a good option though my horse is in livery and our hay is bought in so unfortunately we don't have much say about where our hay comes from.
I have recently heard that hay and sometimes haylage can have very high levels of sugars and starches in it which are bad for horses with laminitis even when it has been soaked.
Therefore I'd like to check my hay is safe to feed before I give it to my horse. He has had laminitis before and...