I understand that there are two problems with the blue pen, one which you found out, may have been caused if it was placed where light was on it for extended time, sunlight has a tendency to "set' the markings and it takes the soap to remove it, as you found. The other is when by regret water gets spilt on it and it all runs or fades out...In either case....it has been left up to Murphy's Law to determine which will work for you. :-) Glad to hear you did get it out. Best thing to do is use a scrap to test it on before use.

There's a neat new product called Mr.Clean's Eraser. Beleive it or not, it works great on lifting markings right off quilts. I've used it and it really works! I moisten it with a little water and gently rub. I also use the new sharp roller yellow chalk. My husband found it on our last shop hop weekend. I can see it without a problem! Hope this helps!
Louise

I also made the mistake of using blue chalk marking a wall hanging (my first). I've tried everything and there's still faint blue lines on only one section (I didn't use it any other place). I'm going to try Mr. Clean eraser. Thanks for that tip

What a great idea. I just bought a package of two. I think I will tuck one away with my quilting supplies...just in case.

Do you mean Mr. Clean like the cleaning liquid? If it is, I would be nervous of putting such strong chemicals on my fabric, unless it was a last resort.

The Mr. Clean Eraser looks like a sponge. Comes in package of 2 in the same section as other cleaning products.

Does anyone know about where to find the white markers boo was talking about :D :?:

I used the white marker from Clover, it's kind of weird to use at first because the line takes a few seconds to appear. I bought it a merchant at a quilt show. I marked my handquilting with it and it worked great on batik, however one pen didn't last me a whole queen size quilt drawing double hearts on 288 squares.

I was going to share the Mr. Clean Magic Eraser idea, but I see it's already been done. :LOL: I read it in a mag, and have not actually tried it.
I did have an e-mail about the Magic Erasers, though, with a not-so-good note.....they can cause chemical burns on children! I have not looked into this to see if it is true, but I keep mine out of the kids' reach! The pics in the e-mail were really gruesome! I guess it can be an adult, too, but kids are the ones that rub stuff on them, usually. I know not e-mail stuff is true, but ....just FYI......

It's like an eraser. I'm going to practice on some scraps before I use it on a precious quilt.