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The Problems Bacon Grease Creates for Your Plumbing

In a post-breakfast haze, you may accidentally pour the leftover bacon grease down the drain. If you’re tempted to flush it with water and repeat this plumbing indiscretion again, think twice. Before you clog the pipes, or worse, take a look at why bacon grease and your home’s plumbing system don’t mix.

The Science Behind the Pipe Problem

Anyone who has ever felt or seen bacon grease knows that it’s sticky and congeals quickly. It makes sense that, in your pipes, the oily substance would coat the sides – eventually building up and causing clogs.

At room temperature, bacon grease (and other oily cooking byproducts) remain liquid. Liquids in drains won’t typically causes problems. But, as you may have already seen, bacon grease won’t freely flow down your drain. Issues arise as the grease cools, turning from a liquid into a pipe-clogging solid. Left untouched, the quickly cooling grease hardens and restricts pipes.

The Problem Bigger Than Your Pipes

If the hardened bacon grease stayed put in your sink’s drain pipe, you wouldn’t have a major problem. While you might need a plumber to disassemble the pipes under your sink and remove the blockage, this is a fairly minor repair. But if you continue to pour liquid bacon grease down the drain, you’re creating a much larger (and potentially more costly) issue.

As the grease-filled wastewater moves from your kitchen’s plumbing into the sewer, the fats begin to break down. If this sounds like an easy way for nature to remove the hardened substance, it isn’t. After breaking down into fatty acids and glycerol, the chemical components bind with calcium. The result is a sticky compound that adheres to the surfaces of the sewers and surrounding pipes.

Cleaning the drains inside your home, such as the kitchen sink’s pipes, won’t affect these sewage grease blobs. The fat mixtures can not only cause sewer backups in your home but also affect your community. Known as fatbergs (like icebergs, but made from fats), these hardened greasy messes will stay put and can clog municipal sewage systems.

While your home’s bacon grease won’t cause its own fatberg, it can contribute to the development of this not-so-natural phenomenon. To avoid the creation of multiple fat deposits in municipal sewage systems, along with stopping clogs in your own home, learn how to properly dispose of bacon grease.

The Best Way to Handle Bacon Grease Messes

If you can’t pour the liquid grease down the drain, what should you do with it? The steps to dispose of this fatty product include:

  • Let it cool in the pan. Handling hot bacon grease is dangerous. Instead of burning your hands, let the grease sit in the pan (away from heat) until it has cooled completely. You’ll know that it’s cool when it congeals and hardens.
  • Remove it from the pan. Clean the pan with a spatula or a paper towel. Push the grease into a garbage bag or another sealable container.
  • Remove the leftovers. Chances are you’ll leave behind a few grease streaks or remnants. Instead of washing the pan in the sink, use a paper towel to clean any remaining grease.
  • Pour the liquid into a heatsafe container. Sometimes waiting for the grease to cool isn’t an option. If that’s the case, pour it into a heat-safe container – such as a glass jar or a foil-lined cup. Place the container into the fridge or freezer and wait for it to cool completely.
  • Discard the trash as soon as possible. Hardened bacon grease can leave behind an unpleasant odor. Avoid leaving the fat in your kitchen’s trash can.

You don’t always need to throw away the grease. If you cook with fat, strain the leftover grease, put it into a heat-safe container, and freeze it to use within the month (or before it goes bad).

Do you have a grease clog in your kitchen or main sewer drain? Contact Quality Plumbing for more information.

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You guys did a great job, very courteous, clean, and you saved the drywall which made the repairs easier, thanks. - G. C.

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“Thank you for the new toilet, it's a huge improvement. The plunger is going back in the closet!” - O.T.
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