Carpet and upholstery

Carpet stain first aid: what to do, and what not to do

What you do in the first few minutes after a spill often decides whether it comes out. The right first steps are simple, and the biggest mistakes are easy to avoid.

By Osso Cleaning · Updated · 3 min read

A baby and a dog on a soft carpet

In short

  • Blot, don't rub, and work from the outside of the spill in.
  • Use cool water first. Hot water can set stains like blood and milk.
  • Avoid bleach and strong household chemicals, especially on wool.

Four steps for any fresh spill

  1. Lift anything solid with a spoon or blunt knife, working towards the centre.
  2. Blot with a white cloth or paper towel. Press, lift and repeat with a clean section. Don't rub.
  3. Rinse lightly with a little cool water, then blot again. Don't soak the carpet.
  4. Let it dry with air moving over it, then vacuum.

Test anything stronger than water on a hidden spot first, such as inside a wardrobe.

Common spills

SpillFirst stepAvoid
Coffee or teaBlot, then rinse with cool waterHot water and rubbing
Red wineBlot straight away, then cool waterColoured cloths and bleach
BloodCold water only, blot gentlyHot water, which sets it
Milk or vomitLift solids, then cool waterHeat, including hair dryers
Grease or oilBlot only, then call a professionalWater, which spreads it
MudLet it dry, break it up, then vacuumRubbing it while wet
Chewing gumHarden it with ice in a bag, then lift it offPulling it while soft
Pet accidentsBlot up as much as you can, rinse lightly, blot againAmmonia cleaners and scrubbing

Mistakes that set stains

  • Rubbing, which spreads the spill and untwists the fibres.
  • Too much water, which soaks the backing and brings stains back up as it dries.
  • Hot water on protein spills such as blood, milk and egg.
  • Coloured cloths that can transfer dye.
  • Bleach and oxygen cleaners on wool, which can strip the colour.
  • Leaving detergent in the carpet. The residue attracts dirt and makes a dark patch.

When to call a professional

  • Large spills, or anything that has soaked through to the underlay.
  • Old stains that have been there for weeks or months.
  • Wool, silk or viscose carpet and rugs.
  • Dyes: cordial, hair dye, ink and some medicines.
  • Pet urine that has been there a while, or keeps smelling.

A professional can tell you honestly which stains are likely to come out. Some old stains fade rather than disappear.

Questions about this guide

Does baking soda remove carpet stains?

It can help absorb moisture and some smells, but it doesn't lift most stains, and leftover powder can be hard to vacuum out of thick pile.

Will old stains come out?

Many get much lighter, but some are permanent, especially dyes and stains that have been heat-set. A good cleaner will tell you before starting.

Should I use carpet stain remover from the supermarket?

It can work on some spills. Check the label for your carpet type, test it on a hidden spot, use it sparingly and rinse afterwards so no residue is left.

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