Can solid soap cause a drain blockage?

Yes, there is some truth to this. Most solid soaps (with a few exceptions like Dove) are made with animal fats which cause the ingredients to bind and become solid.

 

When a bar of soap is used in hot water, a little bit dissolves and goes down the drain. As long as the pipes are sloped downward and moving freely, the soap won't cause a problem.

 

But if there is a "belly" in the pipe (or a place where water pools), then soap, grease, hair, and everything else in the drain congregates there.

 

This is typically where soap and grease solidify (or "congeal"), causing blockages. In fact, a soap blockage is often mistaken for a grease blockage because they look so similar.

 

To prevent a soap blockage, your best bet is to use liquid soap or body wash because they don't use animal fat to solidify their product.

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United Mechanical, Inc. serves all of Lee County (Fort Myers, Cape Coral, Lehigh Acres, Estero, Bonita Springs, etc) and coastal areas of west Florida including Naples, Marco Island, Port Charlotte, Punta Gorda, Venice, Englewood, Sarasota, Bradenton, and Tampa. 

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