Can I use vinegar to clean travertine?

No. Vinegar is an acid and travertine is calcium carbonate, so vinegar dissolves the surface and leaves dull etch marks. Use a pH-neutral cleaner made for natural stone instead.

Can I pressure wash travertine pavers?

Only gently, with a wide fan nozzle held well back. High pressure can roughen the surface and blow filler out of the holes. Scrubbing with a soft brush and rinsing at low pressure does a better job with less risk.

What is the best cleaner for outdoor travertine?

For routine cleaning, a pH-neutral stone cleaner. For heavier grime or grease, an acid-free alkaline cleaner formulated for limestone and natural stone. Whatever you choose, check the label says it is safe for calcareous stone and test it on a small area first.

How do I get rid of black mould on travertine?

Apply a stone-safe biocide or algae remover, leave it to dwell as directed, then scrub gently and rinse. If mould returns quickly, the area is probably staying damp, and drainage, shade or a sealer may need attention.

Why does my travertine look dull after cleaning?

Either detergent residue has been left behind, which a thorough rinse fixes, or the surface has been etched by something acidic. Etching looks the same wet or dry and feels slightly rough. It can only be removed by honing.

Should I seal travertine after cleaning it?

If a water-drop test shows water soaking in, yes. Wait until the stone is completely dry, which can take several days outdoors, so the sealer can penetrate properly.

How to Clean Travertine Pavers and Pool Surrounds

The Prestige Standard stone-care team · Published 5 November 2026 · Updated 5 November 2026 · 8 min read

How to clean travertine without damaging it — Illustrative image.

Why travertine needs its own cleaning routine

Travertine forms where mineral-rich spring water deposits calcium carbonate, and the escaping gas leaves the stone full of small voids. Those two features explain almost every cleaning mistake we are called to fix. The Natural Stone Institute groups travertine with marble and limestone as calcareous stone: it is sensitive to acid and should only be cleaned with mild, non-acidic products.

Acid does not just leave a residue on travertine. It reacts with the surface and dissolves a thin layer of it, leaving a dull, slightly rough patch called an etch mark. Vinegar, lemon juice, many bathroom and descaling products, and hydrochloric 'brick cleaner' will all do this. Once a surface is etched, no amount of cleaning brings the finish back. It has to be honed.

The voids matter too. Most travertine pavers leave the factory with their holes filled, but sun, water and cleaning slowly wash that filler out. Open holes trap dirt and water, and a high-pressure jet aimed at them can blow out even more filler. Good travertine cleaning is therefore gentle on the surface and patient with the holes.

Before you start: three quick checks

Spend ten minutes on these before buying any product. They decide what is safe and what result is realistic.

Identify the finish. Tumbled travertine has softened edges and a textured, antique face. Honed is flat and matte to satin. Brushed has a gently undulating texture. Polished is glossy and is usually found indoors. Polished and finely honed surfaces show etching and scratching most readily, so they need the gentlest approach.
Check whether it is sealed. Drip a little water on a few spots, including near the pool edge and along the main walkway. If it beads and sits for several minutes, the sealer is still working. If it darkens the stone within a minute, the stone is open and will absorb whatever you clean it with, so rinse thoroughly and plan to seal afterwards.
Tell dirt from damage. Dirt and scale usually change appearance when the stone is wet and can be felt as a deposit. Etch marks are dull, often watermark-shaped, feel slightly rougher than the surrounding stone and look the same wet or dry. Cleaning removes the first. Only honing removes the second.

Always try a new product on a small, out-of-the-way area first and let it dry before judging the result. Every reputable cleaner and sealer manufacturer we have reviewed gives the same advice.

Routine cleaning: what to do every week or two

Most outdoor travertine stays in good condition with very little effort if the routine is consistent.

Sweep or blow off leaves and grit. Grit underfoot acts like sandpaper on honed and polished finishes, and wet leaves leave tannin stains on pale stone.
Rinse with clean water. The Natural Stone Institute's advice for pool and patio areas is simply to flush them with clear water. Around a salt pool this is the single most useful habit you can have, because it stops salt drying in the pores.
Wash with a pH-neutral stone cleaner when needed. Use a product made for natural stone, diluted as the label says. More concentrate is not better: excess cleaner leaves a film that attracts dirt.
Scrub with a soft nylon brush or a soft deck brush. Avoid wire brushes, scouring pads and scouring powders, which scratch.
Rinse again and let it dry. Detergent residue left in the holes will grey over time.

Lithofin's guidance for outdoor stone suggests sweeping paths and terraces regularly and saving stronger cleaners for surfaces that are genuinely greasy or soiled. That matches what we see: most travertine is over-cleaned with harsh products rather than under-cleaned.

A deep clean, step by step

Once a year or so, or when you are about to re-seal, the stone benefits from a more thorough clean. This is the sequence we follow, scaled down for a homeowner with a stiff broom and a hose.

Protect the surroundings. Cover or wet down plants, and keep run-off out of the pool, garden beds and the street gutter. We bund and vacuum-recover wash water on our jobs; our regulations page explains why run-off matters in NSW.
Pre-wet the stone. A wet surface spreads cleaner evenly and limits how far it soaks in.
Apply an acid-free stone cleaner. For general grime and grease, an alkaline cleaner formulated for natural stone works well. Lithofin, for example, describes its outdoor cleaner as acid-free and suggests heavier dilution and a test first on limestone. Follow the dilution on the label exactly.
Let it dwell, but do not let it dry. Most products need a few minutes to loosen dirt. If it starts to dry in the sun, mist it with water.
Agitate. Scrub with a soft brush, working into the holes and along joints. We use rotary machines with soft brushes on larger areas; by hand, small sections at a time work best.
Rinse at low pressure. A garden hose or a pressure washer on a wide fan, held well back, is enough. Lithofin's outdoor guidance recommends using pressure washers sparingly, if at all, because they can roughen the surface.
Recover and inspect. Collect the dirty water, let the stone dry fully, then look for open holes, etching and any stains that remain.

Common travertine problems and how to approach them

Most marks on outdoor travertine fall into a handful of types. The right treatment depends on what the mark actually is, so identify first and treat second.

Typical marks on outdoor travertine
What you see	Likely cause	Reasonable DIY step	When to call a specialist
Black or green spots in shady corners	Mould, algae or moss	A stone-safe biocide or algae remover, left to dwell, then a gentle scrub and rinse	If it returns within months, or the area is large or high
Brown rings under pots or leaves	Tannin from organic matter	pH-neutral clean, then sun and time; many tannin stains fade outdoors	If the ring is dark and set, a poultice usually draws it out
Dark greasy patches near the barbecue or sun lounges	Food oil, sunscreen, body oils	Blot fresh spills, then an alkaline stone degreaser	Old oil that has soaked in needs a solvent poultice
Orange-brown marks	Rust from furniture feet, fixings or fertiliser	Remove the source; avoid household rust removers	Most rust removers are acidic and will etch travertine; a stone-safe poultice is needed
White crust or powder	Pool scale, or efflorescence salts from moisture in the bed	Dry brush loose powder; rinse salt water off regularly	Hard scale and recurring efflorescence need an acid-free specialist approach and a look at the moisture source
Dull, rough, watermark-shaped patches	Etching from acid	None. Cleaning will not change it	Honing restores an even finish
Pits that collect dirt	Filler washed out of the natural holes	Clean them out gently	Refilling with colour-matched filler before sealing

For more detail on salt deposits, see our guide to efflorescence on stone pavers. Our stain removal service covers rust, oil and tannin poultices.

What not to use on travertine

A short list, but the products on it cause most of the damage we see.

Anything acidic. Vinegar, lemon, descalers, many shower and tile cleaners, 'brick cleaners' and acid washes. If a cleaner fizzes on stone, it is attacking it.
Household rust removers and toilet cleaners. The Natural Stone Institute notes some contain traces of hydrofluoric acid, which can attack even granite.
Scouring powders, creams and abrasive pads. They scratch honed and polished finishes.
Bleach mixed with ammonia, ever. Together they release a toxic gas. Diluted bleach on its own is sometimes used for algae, but it can leave residues and some sealer makers warn it shortens sealer life, so we prefer stone-specific biocides.
A turbo or pencil nozzle on a pressure washer. It can etch a line into softer stone and blast filler out of the holes.
General-purpose 'stone and tile' cleaners with an unknown pH. If the label does not say it is safe for limestone or calcareous stone, choose another product.

Sealing does not change this list. Sealer manufacturers including FILA, Aqua Mix and Dry-Treat state plainly that their penetrating sealers do not stop acids etching calcareous stone. A sealer buys time against stains; it does not make travertine acid-proof.

Around the pool: salt, scale and splash

Travertine pool surrounds face problems that a front path never sees. Salt-chlorinated water soaks in and, as it dries, the salt crystallises inside the stone. Industry guidance on salt damage, including material published by sealer maker Dry-Treat and the stone trade publication Litos, describes the same mechanism: crystals growing just below the surface eventually break it up. That is why coping often looks pitted or sugary at the waterline first.

Rinse the coping with fresh water after heavy use, especially on hot, dry days when salt dries fastest.
Keep pool chemistry balanced. Low-pH water splashing onto calcareous stone behaves like a weak acid.
Do not clean scale with pool acid. It is a common shortcut and it etches travertine badly. Hard scale should be dealt with mechanically or with acid-free products by someone experienced.
Keep cleaning run-off out of the water, so detergents and biocides do not upset the pool's balance.

Our pool coping service covers cleaning, refilling and salt-rated sealing as one job.

After cleaning: drying and sealing

A clean is the right moment to check protection. Once the stone is completely dry, repeat the water-drop test. If water soaks in, the stone should be re-sealed, but not straight away: sealer needs dry pores to penetrate. Lithofin's outdoor guidance notes that surfaces need to be completely dry before impregnation, and on a pool surround after a wet week that can take several days.

Sealing over residue, mould or efflorescence locks the problem in, so the clean has to be thorough. Our guide on how often to seal travertine explains the timing, and penetrating vs enhancing sealers covers the choice of finish.

DIY or specialist: an honest view

Routine sweeping, rinsing and pH-neutral washing are well within any homeowner's reach and make the biggest difference to how long travertine lasts. A careful annual deep clean on a small courtyard is reasonable DIY too.

It is worth calling a specialist when:

the area is large, multi-level or includes a pool, where run-off and access make the job harder;
there are etch marks, rust, set-in oil or recurring white deposits, which need diagnosis rather than stronger cleaner;
holes have opened up across the surface and need refilling before sealing;
a previous coating is peeling or patchy and has to be stripped;
mould keeps returning soon after cleaning, which usually points to moisture or drainage problems.

Our travertine cleaning service is carried out by vetted, insured technicians across the Eastern Suburbs and Northern Beaches. We tell you before we start which marks are dirt and which are damage, so the result matches what you expect. Contact us with a few photos for an assessment.

How to clean travertine without damaging it