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Fat, oil, and grease (commonly known as FOG) might seem harmless when hot and liquid, but once they cool down, they solidify and stick to the insides of your pipes. Over time, they build up, trap food particles and debris, and can cause major blockages in both household plumbing and public sewer systems. The result? Slow drainage, foul odours, backups, and even costly emergency repairs.

If you’re in the Cotswolds and a blockage does happen, Cotswolds Drainage is here to help. But prevention is always the best first step.

Why Fat, Oil and Grease Are Bad for Drains

When you pour FOG down the sink — even with hot water or detergent — it might appear to go away smoothly. But as it moves through cooler sections of your plumbing system, it hardens and sticks to the inside of pipes. Layer by layer, the buildup reduces water flow and can eventually cause complete blockages. In larger sewer systems, this leads to “fatbergs,” massive obstructions that are extremely difficult and expensive to remove.

Simple Tips to Prevent FOG Blockages

1. Never Pour FOG Down the Sink

Once you’ve finished cooking, allow any leftover fat or oil to cool. Then, scrape or pour it into a container (an old jar, tin, or even a takeaway box works well). Once full, seal it and dispose of it in your general waste bin.

2. Wipe Before Washing

Before rinsing greasy pots, pans, or plates, wipe them down with kitchen towel to remove as much oil and fat as possible. Then throw the towel in the bin.

3. Use a Sink Strainer

Food scraps can carry fats and oils or get stuck in greasy pipes, making blockages worse. A simple sink strainer helps catch food debris and keeps it out of your plumbing.

4. Collect Cooking Oil Separately

If you regularly use oil for deep frying, allow it to cool and pour it back into a container for recycling or safe disposal. Some local councils and recycling centres accept used cooking oil — check with your local authority.

5. Educate the Household

Make sure everyone in your home knows not to pour fats, oils, or greasy liquids down the drain — even small amounts can build up over time.

Already Have a Blocked Drain? Cotswolds Drainage Can Help

If you’re dealing with slow drains, unpleasant smells, or a full blockage, don’t ignore the signs. These issues rarely go away on their own and often get worse quickly.

Cotswolds Drainage are your local experts in clearing FOG-related blockages and restoring your drains to full working order. Here’s what they offer:

  • ✅ Fast Response across the Cotswolds region

  • ✅ Drain unblocking using the latest high-pressure jetting and CCTV equipment

  • ✅ Honest, upfront pricing with no hidden fees

  • ✅ Preventative advice to stop future problems

  • ✅ Emergency 24/7 callouts when you need them most

Their professional team can assess your drains, locate the blockage, and safely remove it—no mess, no stress.

The Bottom Line

Fats, oils, and grease don’t belong down the drain. With a few simple changes in how you handle waste in the kitchen, you can prevent costly and unpleasant blockages in your home.

And if the worst does happen, Cotswolds Drainage is just a phone call away — ready to get your drains flowing freely again.

Don’t let FOG take over your pipes. Stay informed, stay prepared, and let the experts step in when needed.