I AM anal about it. I can't not clean them. And, even w/stazon, it seems that if I use a diff color of stazon or even versamark, some of the ink comes off. I'm weird. I hate when my clear stamps turn red. Seems there is ALWAYS red ink on my scrubbie. I'm anal about washing the scrubbie pads out too. Didn't know I could put them in the d/w tho....