Why Travertine Requires Special Care
Travertine is a natural calcium carbonate stone — and calcium carbonate reacts chemically to acid. Standard household cleaners, commercial degreasers, and anything containing citric or acetic acid (including vinegar) will etch travertine's surface, creating dull spots that can't be removed without stone polishing.
Arizona travertine is also porous — the characteristic travertine pitting and texture is the surface expression of its natural voids. These voids trap dirt, organic material, and pool chemicals, making travertine around Arizona pool decks particularly challenging to maintain.
The Correct Cleaning Method for Arizona Travertine
Professional travertine cleaning uses pH-neutral to mildly alkaline chemistry specifically formulated for calcium carbonate stone. These solutions dissolve organic contamination and mineral deposits without attacking the stone. Pressure is kept low — 500–700 PSI maximum — to clean effectively without eroding the softer vein structure of the stone.
Efflorescence — white calcium salt deposits that migrate from within the stone — is common on Arizona travertine after monsoon moisture. Professional efflorescence removers for travertine use carefully controlled mild acid concentrations and require significant dilution to avoid etching surrounding stone.
Sealing Travertine in Arizona
Travertine should be sealed after professional cleaning. Penetrating sealers (rather than film-forming acrylic sealers) are the standard recommendation — they protect without creating a surface layer that can peel or cloud.
In Arizona's UV-intensive climate, travertine sealer typically lasts 3–5 years for patios and 2–3 years for pool decks, which undergo wet/dry cycling daily.