Black Mold Stain Remover (BMSR) - 12oz. BMSR is a "harmless" natural soft/abrasive mineral surface scrub, not an acid stain wash. This may not remove stains that have permeated deep into porous surfaces. It works well on most surfaces and will inhibit the

Black Mold Stain Remover (BMSR) - 12oz. BMSR is a "harmless" natural soft/abrasive mineral surface scrub, not an acid stain wash. This may not remove stains that have permeated deep into porous surfaces. It works well on most surfaces and will inhibit the rebirth of mold without toxic fumes. Made in USA. Visit Mineral Methods Amazon Store for other sale items & free shipping. Review