Nail polish remover just enough to thin 2. Vitrail glass paint. Swish inside jar or bottle. Allow to sit for a couple of days. Voila, waterproof vessel for flower arranging or anything else in the colors you love!
I decorate wine glasses and vinyl records with them and the are great. if you use them on glass make sure you bake them at 350 for 25 minutes so that it sets the paint to the glass and then just remind users to make sure they gently hand wash. the paint is smooth and bright.