Stone showers: why they cloud, and how they come back.
A stone shower is the hardest room in the house on stone: water drying on it daily, soap and shampoo film, and cleaners built to strip scale that strip the marble too.
Marble, limestone and travertine are calcium-based, so every acidic shower cleaner etches them while it works, and the white film of minerals and soap on top hides what has happened underneath. Restoring a shower means treating stone, grout, joints and finish as one system.
What is actually on the wall
Water dries and leaves minerals. Shampoo, body wash and conditioner leave a film. Both look like dirt and both respond to the right clean. Under them there is often etching: pale, dull or slightly rough patches where a descaling spray or a citrus cleaner has met the stone. Etching does not clean off. Lower walls, niches and the floor also absorb discolouration where water pools, and grout and silicone hold mould where moisture lingers.
Inspection first
The material is confirmed, because stone is regularly mistaken for porcelain and treated with the wrong chemical. The grout, silicone, drain, corners and movement joints are checked, along with anything that suggests water is getting where it should not. Surface work cannot fix a failed waterproof membrane, and if there is a leak behind the wall that comes first.
Clean, then decide
Stone-safe cleaning takes off soap, body oils, mineral build-up and grime without acid. Only then can etching, scratches and staining be judged. Grout is treated as its own surface: aggressive grout cleaning scratches the stone beside it and weakens tired joints.
Honing where it needs it
Etched or worn walls are honed with fine abrasives to take off the damaged layer, and polished only if the wall was polished. Shower floors stay honed or textured for grip; a glossy shower floor is a hazard, not an upgrade. This is precision work in a small wet room, and removing too much or polishing the wrong surface changes how the shower performs, not just how it looks.
Repairs
Travertine holes that have opened, chips, edge damage and cracks are filled with a colour-matched material before finishing. The aim is a stable, clean, less noticeable repair, not an invisible one.
Sealing
A penetrating sealer slows absorption of water, oils and product. It is not waterproofing and it does not make the shower maintenance-free; it gives film and residue less grip and gives you more time to remove them. Excess sealer left on the surface hazes, so it is applied thin and wiped.
When cleaning is no longer enough
Dull or cloudy areas that survive a proper clean. White deposits that keep returning around fittings. Etched spots or rough patches. Dark or open grout lines and travertine holes. A shower that looks fine wet and blotchy as it dries. That last one is the reliable tell for etching or absorption rather than dirt.
Afterwards: a neutral cleaner, a squeegee on walls and glass after use, the fan running during and after, and no descaler on the stone ever.
On this site
Related questions.
My marble shower looks cloudy. Is it ruined?
Almost certainly not. The cloudy film on a marble shower is soap, shampoo and hard-water mineral build-up sitting on the surface, not damage to the stone. Domestic cleaners either do nothing to it or, if they are acidic, etch the marble underneath while leaving the film in place. A stone-safe strip removes it and the stone underneath is usually fine. The reason it built up is nearly always a failed or missing sealer, so the job finishes with a penetrating sealer that resists the build-up coming back as fast. You will also want a cleaner that is pH-neutral, which we leave with you. Glass doors and tiled walls collect the same film, so a shower that has been cleaned with a supermarket product for years often has both a film on the surface and etching under it. The order of work is the same either way: the film comes off first, then the stone is honed where the acid has dulled it, then it is sealed.
How long does a bathroom take?
Most bathrooms are one long day, and we need the room for the duration. Floor, vanity and shower are done in the same visit with one set-up, which is why quoting the room together is cheaper than quoting the surfaces separately. If a second coat of sealer is called for, we come back briefly the next morning. The shower waits for the sealer to cure. We give you the exact window before we leave.