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Why is my Stain Remover too runny or too thick?Updated 4 hours ago

TL;DR: If Stain Remover feels too runny or too thick, it's usually temperature related. Bring the bottle back to room temperature and shake gently to restore consistency.

Last reviewed: April 2026

Koh Stain Remover
Koh Stain Remover in use

Why does it happen?

✓ Temperature changes consistency

Xanthan gum in the Stain Remover formula gets thinner in heat and more gel-like in cold. Storage or delivery temperature swings can change how the spray feels without affecting performance. The enzymes and surfactants are unchanged either way.

Heat = thinner Cold = thicker Performance unaffected

How do I fix it?

✓ Quick fix in 3 steps

1

Leave the bottle at room temperature for 30 to 60 minutes.

2

Shake gently to re-mix.

3

Test Foaming Spray Bottle. A fine, foamy spray is ideal for pre-treating.


Where should I store it?

✓ Ideal storage

  Sealed and upright

  Cool, dry place away from direct sunlight

  Stable room temperature between 15 and 25°C

  Inside the house rather than in garages or sheds

⚠ Places to avoid

!  Hot cars in summer

!  Sunny windowsills

!  Unheated sheds or outdoor storage

!  Above or near heaters, ovens, or dryers


Koh Stain Remover Starter Kit

New at Koh?

Stain Remover Starter Kit pairs Stain Remover with the Foaming Spray Bottle for targeted application.

Browse all Stain Remover articles

Browse all Foaming Spray Bottle articles


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