Bathtub question
I have found that enzyme treatments have limited use in tub and sink
drains. The culprit is usually hair and hair is not easily attacked by
enzymes. As an experiment I took a clump of hair and put it in a dish
with an enzyme drain treatment. Northing happened. The hair did not
break down or lose strength. After about a week mold grew in the dish
and I gave up.
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