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How do I Clean a Stinky Drain?

How to clean out stinky drains and get rid of biofilm:

The sink drain in my downstairs bathroom was putting off a pretty nasty funk last week. After cleaning the whole bathroom from top to bottom with Natural Choices refillable BATHROOM cleaner, there was still a musty, rotten odor.

Drain biofilm builds up when bacteria excrete a sticky, smelly substance

Drain biofilm builds up when bacteria excrete a sticky, smelly substance

My little guys use that sink to wash up some pretty remarkably disgusting stuff they find lying around outside, so it wasn’t such a big surprise. In desperation, I took the J trap off to see if there was a dead mouse or goldfish in there or something. The odor was apparently coming from this nasty biofilm buildup.

Biofilm forms when bacteria sticks to a surface in a wet environment. The bacteria excrete a slimy substance that is very difficult to eradicate. (Dental plaque is actually a biofilm!)

Unfortunately, I was out of our Natural Choices OXY-Drain but, as always, I had my handy 20 pound container of OXY-Boost on hand.

How to fix a smelly bathroom sink:
I poured some hot water down the drain, and then two scoops of OXY-Boost. Then I poured about a cup of very hot water on to get the powder into the trap and activated. It bubbled and steamed for about 20 minutes and then I poured another quart or so of very hot water down. Took the trap off again and, voila!

OXY-Boost is very effective for removing biofilm from sink drains

tough biofilm removed completely with OXY-Boost

I’m told biofilm is actually extremely difficult to remove. Seemed pretty easy using this method with OXY-Boost oxygen bleach. OXY-Drain will have the same effect, but it also contains enzymes to break down food, grease and oil in the longer term.

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