A slow-draining sink caused by grease buildup is a frustrating problem, but it can often be resolved without calling a plumber. Follow these steps to clear the blockage:

The disaster finally struck during their biggest dinner of the year. As the dishwasher hummed and the sink ran full tilt, the water didn't swirl down the drain. Instead, it stayed still, then began to rise. A thick, grey sludge—smelling of spoiled meat and old dish soap—began to bubble back up through the floor drain in the utility room. The Battle for the Pipes The Hendersons tried the "old reliable" methods:

Finally, they called in a professional from Metro Rod. The plumber arrived with a , a high-pressure water tool designed to blast through sticky grease and flush out the residue. After an hour of intense work and a hefty bill, the pipes were finally clear. A New Rule

The problem lies in the state change. While fats and oils are liquid when hot, they rapidly cool and solidify once they enter your plumbing system. As the fat travels down the pipes, it coats the inner walls and begins to harden. Over time, this creates a sticky, viscous trap that catches food scraps, coffee grounds, and other debris.

Catching a grease buildup early can prevent a total system failure. Common warning signs include:

Decomposing food trapped in the grease produces persistent, unpleasant smells.

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