porous grout cleaning 4

https://tilecleaningphoenixdigest.inkharbory.com/posts/why-diy-tile-cleaning-phoenix-homeowners-often-miss-the-mark

Cleaning porous grout is tricky because the tiny holes trap dirt and moisture, making regular scrubbing ineffective. I've found that using a gentle alkaline cleaner and a stiff brush, then rinsing thoroughly, lifts stains without damaging the surface. Sealing it afterward is key to keep it looking fresh longer.