We Treated 3 Pens with SEAL-IT Concrete Sealant just to try it, and when I washed the pens 3 months later, everything came off very easily and in a lot less time. I was definitely impressed, rather that trying another 3 pens, I think we will treat all the pens. I don’t have time to wash pens, if I can get the job done faster, its’s worth it!
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