There is one thing I would always forget to clean about my horse, his brushes! It dosent help to try to get you horse clean when your brushes aren't! Anyway here is how I clean my brushes and it works wonders!
1) get a clean bucket and put hot, soapy water in it with a quarter cup of bleach ( the soap should be mild like dawn or ivory, or you can use shampoo)
2) put all you brushes in the bucket and let them sit in the water for a couple of minutes
3) while they are soaking you can wash out your grooming tote
4) after about 5 minutes take the brushes out and rub them aganst each other.
5) dump the water out of the bucket and fill it with hot water then put the brushes back in
6)after a couple of minutes take the brushes out and lay the ones with wood handles bristles down and the other brushes you can lay bristles up in the sun so they can