"Mystery" Spots
One of the most frustrating problems homeowners face is permanent color changes in carpet, with no apparent cause. Today the carpet's fine-tomorrow spots appear, seemingly for no reason. Several household products can cause "mystery" spots if not used with care. Examples? Any product that removes mildew from shower walls or from the home's exterior probably contains chlorine bleach. When chlorine contacts dyes in nylon carpet, rapid (almost instant!) discoloration usually occ