Alcohol inks are best used on non-porous surfaces like glass, plastics, metals, and varnished wood. Porous materials like paper, untreated wood, cardboard, sponges and fabric, should be avoided. So then how, you may ask, can artists paint with alcohol inks on cotton canvas? Priming a Canvas with KILZ 2® LATEX KILZ 2® LATEX is a fast drying, water-based, multi-purpose primer, sealer, and stain-blocker. Because it seals porous surfaces, it's a great way to transform a porous canvas into a…