Quote Originally Posted by CTom View Post
About the only thing I can think of is to be sure to MAKE time to shake it every couple of weeks even though you will not be using it. Putting a stainless steel 1/4" nut in each bottle will help agitate what you have.
By golly that is news I can use. I had been having a similar problem with some of my seldom used colorants. Thanks for the advice. I may just put a nut in each bottle as a standard operating procedure.