60 boiled linseed oil/40 mineral spirits....I mixed mine about 5 month ago and have been using it without any problems....I let mine dry for a week after dipping it for 60 seconds. Just cover it when you are done....I have mine in a piece of pvc pipe with a sealed cap on the bottom and when I am done I just put a cap on the top....it sits in a rack that I made to hold it upright.
