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You are here: Experts > Home/Garden > Home Improvement/Repair > Plumbing in the Home > Drain Clogged
Expert: Dana Bostick - 10/31/2009
Question
In my attempt to unclogged the bathroom sink, I used Drano. After using drano, the water drained completely and lasted for two days. After two days, I noticed that water was backing up in the sink. Why is this happening?
Answer
Hi Mary,
Drain cleaning products are pretty harsh. The chemicals are very aggressive and can damage the piping system and even create enough heat to melt plastic drain pipes under the wrong conditions.
The main problem is that in order to work, they need to stay in the area of the clog and work on the hair that is blocking the line. As soon as it works its way through enough to drain a little, the chemicals just drain away and are no longer where the problem is. It is only a partial, temporary solution I don't recommend them.
The only proper way to clean a drain line is mechanically with a power snake. The clog in the bathroom is likely hair.
Good Luck,
Dana
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