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Old 10-30-2011, 10:03 PM   #1
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Ever heard of mold in a drain?

I sure didn't until tonight.

Our bathroom sink generally gets slower and slower until we give it a half a bottle of drain-o and hot water a couple of times. I've been doing this ever since we bought the house every 2-3 months. By slow I mean anything more than a trickle of water starts to pool...good luck brushing your teeth or shaving.

I just figured it was the copper drains getting corroded and rough on the inside and grabbing all the hair and etc that goes down there which accumulated over time. We are going to gut the bathroom in the next year or two so I wasn't going to replace the run of drain.

Tonight I was doing my drain-o thing again and it wasn't working so well. I took a plunger, compressed it and let some water pool around it and started plunging a bit. I thought I could kind of pull it up and rinse it down so I didn't force the plunger down and blow water all over the counter.

Up came mold. And by mold I mean deep jungle tree mold, hunks of it. Surprised the heck out of me.

We do have surface mold on the ceiling and no fan (it's in the plans for the reno...already have the roof vent in.

I may now replace the drain with ABS up to the toilet drain that it wyes into. Question is, how the hell did I get that much mold in a drain that is used several times per day and is it an indication of a bigger problem with the plumbing?


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Old 10-31-2011, 05:22 AM   #2
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That's black decomposing hair and soap----You are eating your copper drains with that Drain-o


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Old 10-31-2011, 06:13 AM   #3
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A cup of chlorine bleach once a month may improve things.

Drain-O is a plumbers nightmare and a total marketing scam.

1/2 box baking soda and with a quart bottle of vinegar is cheaper. Let it bubble, gurgle and foam. Then rinse with water.

Last edited by user1007; 10-31-2011 at 06:15 AM.
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Old 10-31-2011, 09:29 AM   #4
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Okay. Thanks all. No more Drain-o for me.
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