There's nothing I detest more than a dry erase marker that loses its ink flow at inopportune times. These markers are fresh. Vibrant. Long lasting. Everything I could ask for in a dry erase marker.
These are the only markers that we use at our university. We provide black, blue, and red for each classroom on all of our campuses. The professors are all pleased with the ease of use and there is no remnant of the wording on the board after it is erased.
I constantly have issues with these markers writing too lightly, even when they are brand new. I try to do what is suggested on your site and other sites to increase the effectiveness of the markers, but nothing seems to work. About one in five of these markers works well out of the box and I don't know what else to do to get the nice, even, dark colors that I once got from the more toxic dry-erase markers that once were prevalent.
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