Mold and mildew stains are unsightly. They require a powerful, specialized cleaner. Zep industrial Strength Mold Stain and Mildew Stain Remover is formulated to put the power of bleach to work cleaning toilet bowls, sinks, ceramic tile, grout and many other unpainted surfaces. It Whitens fiberglass, tile and grout. Use industrial-strength formula indoors and out. Simply spray, wipe and rinse clean.

Ingredients: Sodium Hydrochlorite, Sodium Hydroxide And Potassium Hydroxide

Always test in an inconspicuous area prior to use. 1. Spray on the surface. 2. Allow to sit for 2 - 3 minutes. Do not allow to dry. 3. Rinse and repeat if necessary. If product contacts porcelain or metal, rinse immediately.