Cleanfax Tip: How to prevent mold damage in carpets By Ruth Travis
Since mold is not water soluble, it may create a stain in carpet that may be bleached safely with hydrogen peroxide.
Just like urine, the bacteria off-gases ammonia as it feeds on the waste products of mold.
Ammonia can remove color from carpet or rugs, causing a discoloration that requires re-dyeing.
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