These are great, even for manually-adjusted color workflows. Fun fact, though: You have to replace them every couple of years (or sooner) because no pigment/dy

These are great, even for manually-adjusted color workflows. Fun fact, though: You have to replace them every couple of years (or sooner) because no pigment/dye is stable, especially if exposed to bright light. Having a test shot with one of these in it saves you untold amounts of pain later.