Why is my Stain Remover too runny or too thick?Updated 7 days ago
TL;DR: If Stain Remover feels runnier or thicker than usual, it is almost always temperature. Bring the bottle back to room temperature and shake it gently, and the consistency comes back. Cleaning performance is unaffected either way, because the rest of the formula has not changed.
Why does the consistency change?
✓ Temperature changes the consistency
Stain Remover contains xanthan gum, a thickener that keeps the ingredients evenly suspended in the bottle. Xanthan gum goes thinner in heat and more gel-like in cold, so a warm delivery van or a cold shed can change how the spray feels without changing how it cleans.
How do I fix it?
✓ Fix it in three steps
Leave the bottle at room temperature for 30 to 60 minutes.
Shake it gently to remix.
Test the Foaming Spray Bottle. A fine, even foam is what you are after.
If the consistency has not come back, give it longer. A cold bottle can take a couple of hours to settle back to room temperature.
Where should I store it?
✓ Ideal storage
✓ Sealed and upright
✓ Cool and dry, out of direct sunlight
✓ A steady room temperature between 15 and 25 degrees Celsius
✓ Inside the house rather than in the garage or shed
⚠ Places to avoid
Hot cars in summer. Sunny windowsills. Unheated sheds and outdoor storage. Anywhere above or beside a heater, an oven or a dryer.
Stored properly, Stain Remover stays shelf stable for 12 months and the consistency stays predictable.

Spray-on pre-treat for stubborn stains. Spray, wait 5 to 10 minutes, then wash as normal. Dermatest tested and Sensitive Choice approved.

New at Koh?
Stain Remover Starter Kit pairs Stain Remover with the Foaming Spray Bottle for targeted application.

Koh Perks · earn points on every order
Earn points on every purchase, refer a friend, and redeem for discounts on your next order. Find all the ways to save in one place.
Last reviewed: September 2026 · Koh Australia