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Don’t let Christmas Day go down the drain

Are you looking forward to a huge roast with all the trimmings on Christmas Day? Is your mouth watering at the thought of pigs in blankets and roast potatoes cooked in goose fat? Did you know it could all end in disaster if the fat, oil and grease (FOG) from cooking Christmas dinner aren’t disposed of properly?

The Chartered Institute of Plumbing and Heating Engineering (CIPHE) warns that when fat is poured down the drain or sink at a temperature above its melting point, it will then cool and solidify. It can form deposits that restrict the flow and cause blockages in your drain or your neighbours’ drains. Those local problems are than exacerbated when multiple instances of FOG in drains reach the wider sewer network. It is the responsibility of everyone to minimize the risks this poses.

Blocked drains cause:

  • Problems flushing the toilet
  • Issues draining water from sinks and baths
  • Bad smells
  • And it can hit your pocket when you need to have your drains cleared by a professional.


Paul Harmer, Lead Technical Consultant for the CIPHE said “The best way to deal with FOG is to let it solidify and put it in a disposable container (like a used margarine tub or yogurt pot) and then put it in the bin. It may seem like common sense but unfortunately people pouring cooking fats into the kitchen sink cause the majority of blockages in drains.”

“If you do experience a blockage, which you suspect may be due to FOG, empty out any surplus water remaining in the sink, add some washing up liquid and pour boiling water from a kettle onto the sink outlet. This may soften any hardened fats then turn on the hot tap to flush any deposits through. If this does not clear it, then call a professional.”

If this happens to you this Christmas, you can find a plumbing expert to deal with the problem responsibly and professionally online at