The Pat Kenny Show

The do’s and don’t of home liquids disposal

Oct 30, 2025
Jo Linehan, a futurist and climate journalist, shares essential tips on disposing of household liquids. She reveals why pouring coffee grounds can block drains and discusses the dangers of fats, oils, and greases, known to cause fatbergs. Jo warns that dishwasher detergent fails to break down grease effectively. For disposing of cooking oil, she suggests recycling centers and shares the trick of freezing oil. Lastly, she highlights the importance of avoiding makeup wipes in drains to prevent pollution.
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ANECDOTE

Coffee Dregs Caused A Fine

  • A West London woman was fined £150 for pouring coffee dregs down a street drain because coffee grounds can clog drains.
  • Jo Linehan used this story to explain how small actions can unexpectedly cause major blockages and fines.
INSIGHT

Small Pouring Habits Scale To Big Problems

  • Thousands of blockages are cleared monthly because people pour things that congeal down drains.
  • Under-35s are the largest group doing risky disposal, with about 18% still pouring unsuitable liquids down drains.
ADVICE

Catch Food And Bin Grease, Don’t Drain It

  • Fit a sink strainer to catch food and empty it regularly to prevent solids entering pipes.
  • Wipe greasy pans first or pour cooled grease into jars or trays and bin it rather than washing it down.
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