Why Does Grout Get Grimy?

Grout sits lower than tile, which means it collects grimy runoff and a quick wipe won't get it clean. So, grout develops stains — especially if it's not sealed.

Step 2

Remove Stains

Dissolve 2 TBSP of oxygen bleach in 2 cups of warm water and apply to stains and discoloration. Wait 10 minutes, scrub and rinse.

Step 3

Mold & Stubborn Stains

Deep clean grout with a steam cleaner only if it's not broken or cracked. Or try a homemade grout restorer made of hydrogen peroxide and baking soda.

Katie Berry is a cleaning expert who shares real-world solutions to help overwhelmed people take control of their homes.