Christmas dinner is one of the best parts of the holidays - but experts have warned that getting rid of leftovers might be ruining your plumbing. Now, plumbing experts have revealed the waste foods you should never pour down the sink. Mike Flook, a plumber from MyBuilder.com, says: 'Disposing of FOGs down the sink in the run up to Christmas could lead to a disaster over the holidays. Experts warn that washing leftover gravy down the sink this Christmas could ruin your plumbing and cause an expensive blockage (stock image)However, it isn't just gravy that could leave you with plumbing problems this Christmas. But if you dump gravy and Baileys down the sink, you could be causing problems for more than your own pipes.

Source: Daily Mail December 24, 2025 14:34 UTC