I would definitely try the NAF Haylage Balancer - from the appearance it's largely good old-fashioned kaolin, and settles mine when the haylage upsets them, which it often does.
Another thing that helps is charcoal, a general mopper-up of toxins - try Happy Tummy from Fine Fettle Feed.
Go...
Good advice from the last person ("Pec").
One possibility you might consider which hasn't yet been mentioned: if you think you'd like his genes at some point, but you find you can't solve his behaviour problem and have to cut him, you could collect and freeze semen first.
If you're having to re-proof at all, you've lost the race! All bar one of the rugs I've bought in the last ten years (about 15) have remained waterproof, under the worst of conditions. The one that *did* let water continued to do so after re-proofing.
*Don't* wash/scrub or do anything other...
I have suffered virtual disintegration of my wrists this year due to galloping Rheumatoid Arthritis. I should be most grateful to hear from anybody else with this sort of problem. I can manage quite well with a straight wrist and using my fingers in a straight line - the first requirement for a...