On Mon, 21 Jul 2014 10:22:00 -0400, Norminn
wrote:

The secret is, first, applying to an
absolutely dry and CLEAN surface.....scrub/scrape off all soap/residue,
rinse, wipe with full-strength bleach, let dry, and for a finishing
touch wipe with denatured alcohol

The alcohol is a smart move to remove any oils on the surface.