The New Home Stone Guide

Your counters started aging the day you got the keys. Or the day they were installed.

Nobody told you that. The builder handed you a manual for the garage door opener and nothing for the most expensive surface in the house, the one every drink, every pan, and every grocery bag lands on from now on.

Stone doesn't stay the way it looked on move-in day by itself. Marble picks up its first ring the first week. Granite's seal wears thin where you cook. Quartz remembers the one time a pan came off the burner and went straight down. None of that is a defect. It's what stone does when nobody's told you the rules.

This is the manual that should have been in the folder. What you have, how to keep it, what happens if you don't, and which parts are yours and which parts are ours.

One date runs the whole thing. We call it Day 0: your closing date on a new home, or the install date on a remodel. Write it down. It's the only number in this guide you have to remember.

Homeowner: tasks you do

Pro: tasks that are ours

Section 2

Know your stone

Every care decision in this guide depends on one answer. Four stones cover nearly every counter installed in the last couple of decades, and two of them look almost identical and need opposite care.

Marble

Natural stone, made of calcium. Soft veining, no repeating pattern, a glow to the surface. Acid dulls it on contact. Needs sealing, and sealing doesn't stop the dulling.

Granite

Natural stone, hard and dense. Speckles, flecks, visible grains, no repeating pattern. Acid doesn't dull it. Oil and grease get into it if it's unsealed. Some granite barely absorbs anything at all.

Quartzite

Natural stone that looks like marble and is sold as tougher than granite. True quartzite is. A lot of what's sold as quartzite is a marble-family stone that etches like marble. The lemon test tells you which you have.

Quartz (engineered)

Not a stone. Crushed stone in factory resin. The pattern repeats, the color is uniform, and it never needs sealing. Its weak spot is the resin: heat and harsh chemicals mark it.

Three checks, in order

The paper. Fabricator invoice, builder spec, slab tag. If it says the stone name, that's your answer, with one exception: "quartzite" on paper isn't always quartzite in the kitchen.

The pattern. Photograph one spot. Look for that exact pattern elsewhere on the counter. If you find it, it was printed. You have quartz. Natural stone never repeats.

The lemon. One drop of lemon juice on a hidden spot: under an overhang lip, behind the faucet, inside a cabinet cutout. Wait a few minutes, rinse, dry. If that spot went dull or lighter, the stone is calcium-based and it's marble, whatever the paperwork says. If nothing changed, it's granite or true quartzite. Never do this on the open counter. The dull spot is permanent until it's re-polished.

Walk through it step by step: Identify your stone →

Section 3

Daily care and prevention

Most stone care is what you do every day, and it's simple. Gentle cleaner, soft cloth, fast spill response, and a few things between the stone and the life happening on top of it.

Cleaning

  • Warm water and a drop of mild dish soap, or a pH-neutral stone cleaner, on a soft microfiber cloth. That's the whole product list.
  • Dry the surface after. Standing water dries into mineral spots, especially on dark stone.
  • Never on natural stone: vinegar, lemon, glass cleaner, bleach, ammonia, disinfecting sprays, or abrasive pads. Acid dulls marble and marble-family quartzite. Harsh chemicals strip sealer from everything.
  • On quartz: same gentle routine. Skip anything highly alkaline and anything with paint stripper in it.

Prevention

  • Coasters under anything acidic: wine, citrus, soda, coffee. Non-negotiable on marble.
  • Trivets under anything hot. Granite handles heat well. Quartz doesn't, and any stone can crack from a sudden temperature swing.
  • Cutting boards, and lift instead of drag. The grit on the bottom of a pot does more damage to a polish than a knife ever will.
  • Blot spills, don't wipe. Wiping spreads it. Blotting lifts it. Matters most for oil, wine, coffee, and anything acidic.
  • Bathrooms: trays under soap, cosmetics, and perfume. They leak, and the rings they leave are stubborn.

Homeowner: all of it. This is the part that's entirely yours.

Section 4

The water test

This is the fifteen minutes that tells you more than any schedule. Sealer is an invisible barrier in the pores of natural stone. It doesn't make stone stain-proof. It buys you time to clean up. Over time it wears, and the stone will tell you when.

How to do it

  • Pour a small puddle of water, a few tablespoons, on the busiest part of the counter. By the sink, by the stove, where the coffee lives.
  • Leave it. Go do something else for fifteen to thirty minutes.
  • Wipe it up and look at the stone under the puddle.

Still the same color, water was beaded on top: the seal is working. You're done until the next checkpoint.

The stone darkened where the water sat: it's absorbing. Time to reseal.

Quartz: skip this. It doesn't absorb and it never gets sealed.

Sealing is something you can do yourself. It's also something we do on every visit, and the difference isn't the product, it's the application: prep, dry time, knowing when the stone is actually taking sealer, and getting the excess off before it hazes. If you'd rather we handle it, that's what the maintenance visits are.

Homeowner: the water test, and resealing if you want to

Pro: resealing done for you, and fixing a seal job that hazed or went on patchy

Section 5

Your stone care calendar

Day 0 is your closing date or your install date. Everything below counts forward from it. The markers are checkpoints, not orders: you reseal when the water test fails, not because a date came up. One calendar per stone. Find yours.

Marble

The densest calendar of the four, because marble absorbs the most and etches on contact. Sealing every three to six months is the trade's rule of thumb; the water test decides the actual date.

Day 0

Confirm with your builder or fabricator that the top was sealed at install. Most are. Some aren't. Start the coaster habit today.

Homeowner

Day 30

Look at the high-use zones in low, angled light. Any rings or dull patches already? That's etching, and it tells you where the acids are landing.

Homeowner

Day 90

Water test. If it darkens, reseal. If it beads, you're good until Day 180.

Homeowner: test, and reseal if it fails

Day 180 and Day 270

Same water test, same rule. Marble that fails at every checkpoint is a porous slab or a hard-working kitchen. Either way, the test is doing its job.

Homeowner

Day 365

First-year assessment. We look at the whole top: seal condition, etching, wear at the sink and stove, edges. Light etching gets re-polished. The top gets sealed. You get a read on how your kitchen treats your marble, and the calendar resets.

Pro

Granite and quartzite

Spaced further apart. These absorb less and don't etch (true quartzite; marble-family "quartzite" follows the marble calendar). Sealing every six to twelve months is the trade's rule of thumb; the water test decides, and some dense granite never fails it.

Day 0

Confirm it was sealed at install. Wipe oil up the same day it lands, starting now.

Homeowner

Day 30

Look at the zone around the stove in angled light. Any dark patch that doesn't dry out is oil getting in, and it means the seal is thin there.

Homeowner

Day 180

First water test. If it darkens, reseal. If it beads, you're good until Day 365. If your granite beads every time, it may never need sealing at all, and sealing it anyway is what causes haze.

Homeowner: test, and reseal if it fails

Day 365

First-year assessment. Seal condition, finish wear at the sink and stove, chips on edges, any set-in stain from the year. Worn finish gets re-polished. Chips get filled. The top gets sealed if it's taking sealer. The calendar resets.

Pro

Quartz

Almost entirely yours. No sealing, ever. No water test. The calendar is about heat and chemicals, not absorption.

Day 0

Trivets out. That's the whole setup. Read the section on what happens to quartz so nobody sets a pan down on Day 3.

Homeowner

Day 30

Check the zone by the stove and anywhere a hot appliance lives. Any dull or discolored patch is resin damage, and catching it early matters.

Homeowner

Day 365

First-year look-over: scratches, heat marks, chips. What polishes out gets polished. Nothing gets sealed.

Pro

After Day 365

The calendar repeats. Same checkpoints, same rule, and the Day 365 visit becomes the yearly one. That's the maintenance program: the pro markers on this page, done for you, on your stone's clock.

Make this your calendar

Tell us your stone and your Day 0. We turn these markers into real dates and text you at each one with the one thing to do that day. Shareable with whoever else lives with the counters.

Set up my stone calendar

Section 6

What if I don't?

Honest answers, one per task. Some of these you can live with. Some of them turn a homeowner task into a job for us. None of them are the end of the counter.

If you skip the coasters on marble

What happens

Every glass of wine, every lime, every soda leaves an etch where it sat. Nothing dramatic on day one. Rings by the end of the month. A dull patch wherever drinks live by the end of the year.

What it looks like

Lighter, cloudy rings with no color, that don't wipe off and feel slightly different under a fingertip.

What it takes to fix

Pro: mechanical re-polish. There is no homeowner fix for an etch.

Where it goes

A single ring is a spot job on one visit. A top covered in them is the whole surface re-honed in steps and re-polished, and the kitchen is out of commission while it's done.

If you skip the water test and the reseal on granite or quartzite

What happens

The seal wears off in the high-use zones first. Oil, grease, and cosmetics start getting into the pores instead of sitting on top. The stone doesn't look different until it does.

What it looks like

A dark patch by the stove that never dries out. A ring under the olive oil bottle. A shadow around the sink.

What it takes to fix

Pro: draw the stain out, then reseal the area

Where it goes

Fresh oil on sealed stone that's blotted quickly usually never becomes a stain. Set-in oil on unsealed light stone is extraction, sometimes more than one round, and re-sealing after. Skipped resealing turns a fifteen-minute test into a service visit.

If you use the wrong cleaner

What happens

An acidic all-purpose spray does to marble across the whole top what a lemon does in one spot. On granite, harsh chemicals strip sealer and abrasive pads scratch the polish. On quartz, bleach and degreasers attack the resin.

What it looks like

A top that's gone flat everywhere. Hazy, no reflection, "old" before its time.

What it takes to fix

Pro: the whole surface, re-honed and re-polished

Where it goes

This is the one that moves a top from "a couple of spots" to "the entire kitchen." The fix is the same process either way; the difference is how much of the counter it covers and how long you're cooking somewhere else.

If you set a hot pan on quartz

What happens

The resin marks or discolors where the heat sat. Sometimes it's a light dull patch. Sometimes it's a yellow-brown scorch.

What it looks like

A pan-shaped or ring-shaped patch near the stove that no cleaner changes.

What it takes to fix

Pro: resin polishing. Light marks often come out. Deep scorch is reduced, not always removed.

Where it goes

This is the one task on the list where "I'll fix it later" can become "it's permanent." Trivets are the entire quartz care routine.

If you drag pots and dishes instead of lifting

What happens

Grit under the pot works like sandpaper. Fine scratches build up in the zones you use most until the polish stops reflecting.

What it looks like

A dull path between the sink and the stove. Fine lines you can see in raking light.

What it takes to fix

Pro: re-polish the worn zone to match the rest

Where it goes

Slow, cumulative, and easy to prevent. It's usually one of several things going on by the time a top reads as "tired."

If you leave water to dry on dark stone

What happens

Minerals in the water stay behind as a film. Layer on layer, it dulls the reflection and can look like a stain.

What it looks like

White spots and streaks around the faucet and on the island where glasses sat.

What it takes to fix

Homeowner: usually. A stone-safe cleaner and a dry buff take off most of it.

Pro: heavy buildup that's bonded to the finish

Where it goes

The cheapest habit on the page: dry the counter. Skipped long enough, it's the one that makes people think their granite has "stained" when it hasn't.

Section 7

Stain or etch?

The single most common mix-up in stone care, and the reason people buy the wrong product. They look similar from across the room. They're opposites.

A stain

Something got into the stone. It has color: coffee brown, wine red, oil gray, rust orange. It looks darker than the stone around it. It's drawn back out with chemistry matched to the stain and the stone.

Diagnose my stain →

An etch

Something took polish off the stone. It has no color: a dull, lighter, cloudy mark, usually a ring. Nothing was added, so nothing can be cleaned out. The surface is rebuilt mechanically.

Diagnose my dull spots →

Two rules that save counters: never put anything on a mark until you know which one it is, and never reach for the store's "marble polish" for either. It's a topper. The mark is still under it.

Homeowner: blot fresh spills, then stop

Pro: anything that's set in, and every etch

Section 8

Do's and don'ts

Always

  • Blot spills the moment they happen
  • Mild dish soap or a pH-neutral stone cleaner, soft cloth, dry after
  • Coasters, trivets, cutting boards
  • Lift, don't drag
  • Run the water test at your checkpoints and reseal when it fails
  • Know which stone you have before you buy any product for it

Never

  • Vinegar, lemon, or any acidic cleaner on marble or quartzite
  • Bleach, ammonia, glass cleaner, or abrasive pads on any natural stone
  • A hot pan on quartz
  • Sealer on quartz
  • Store "polish" as a fix for a dull spot
  • Standing water left to dry on dark stone

Section 9

When it's a pro job

Everything in Section 3 is yours. The water test is yours. Sealing can be yours. The line is anything that's mechanical or irreversible:

  • Any etch, from one ring to a whole top
  • A stain that's set in, or one that's already been bleached, scrubbed, or acid-cleaned
  • A finish that's gone flat or hazy across the counter
  • Chips, cracks, or a seam that's opened
  • Heat or chemical marks on quartz
  • A seal job that hazed or went on patchy
  • The Day 365 assessment on any stone

Send a photo. You'll see your own counter with the damage gone, and what we'd do to make the photo real, before anyone comes out.

Pro: all of the above

Your counters have a clock. Now you can read it.

Set up your calendar and we'll text you at every checkpoint. Or send a photo of something that's already happened and see it fixed.

Set up my stone calendar    See YOUR Counters Restored