Thank you Doremus

Quote Originally Posted by Doremus Scudder View Post
Your toner is good for many more prints. When you get around to toning again, filter the solution through a coffee filter in a funnel before using to remove any possible precipitate.

If you are seeing a change in the image due to toning, and I assume you are, then that is your guide to toner exhaustion. When toning times get too long, simply add 25-30ml of concentrate to your toning solution to replenish.