I’m always answering questions about color markers and giving opinions on which ones I like best. Here is a quick review of four marker types that are readily available and some important advice using them. Plain and simple - there are Chartpak AD markers, and then there all of the other brands! Why am I so in favor of the Chartpak brand? The answer is found in the ink formula. . The four marker types I have used are 1) Chartpak AD markers, 2) Letraset Markers, 3) Prismacolor Markers and 4) Copic Markers. Three of the four have dual tips
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