Originally Posted by np3
I've used them for years and the shelf life depends on how long I use them at any one time. If one hasn't been used much but has been stored for a bit, I dip the tip in water and it starts working again. If it has been used a lot, then the water doesn't work as well.
Thank you. I'll try that with mine. Over the years, I've encouraged ball-point pens to work by holding them under warm water and it crossed my mind that I should try wetting these water erasable pens before I give up & toss them out.