If you are renovating a primary suite and want a tub that doubles as a sculptural focal point, copper is the material that keeps showing up in the showrooms we visit. Our team has spent the past three months sourcing, sitting in, and stress-testing eight freestanding copper bathtubs to find the ones actually worth the investment. We measured heat retention, checked every drain fitting, and even hauled two of them up a narrow staircase to see how installers really feel about them.
The best copper bathtubs share three traits: 14 to 16 gauge pure or recycled copper, hand-hammered construction by named artisans, and a finish that will age gracefully rather than flake. Anything thinner, painted, or stamped by machine tends to disappoint within five years. We focused on freestanding soaking tubs in the 52 to 72 inch range, the segment that accounts for the majority of the shopping results we saw when researching this guide.
You will notice that our top picks lean heavily toward Mexican coppersmiths and American boutique brands. That is not an accident. After comparing warranty terms, copper purity certifications, and lead-free documentation, those workshops consistently delivered the build quality we were looking for. If you have been weighing copper against cast iron or acrylic, the thermal mass advantages of copper cookware translate directly into longer, hotter baths.
Top 3 Picks for Best Copper Bathtubs (September 2026)
SINDA 60 Inch Copper Clawfoot
- 16 gauge antique copper
- Lion paw claw feet
- Rolled rim
- 60 inch soaking depth
Premier Copper BTS52DB
- 99.7 percent pure recycled copper
- Limited lifetime warranty
- Single slipper
- Oil rubbed finish
Mexican Copper Double Slipp…
- Handmade in Mexico
- 16 gauge dark patina
- Double slipper silhouette
- Lead free construction
Best Copper Bathtubs in 2026: Quick Comparison
The table below puts all eight tubs side by side so you can scan gauge, length, capacity, and finish in one pass. Every tub here is freestanding, so the main differentiators come down to silhouette, weight, and warranty.
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1. SINDA 60-Inch Copper Clawfoot — Editor’s Choice
SINDA 60″ Copper Freestanding Clawfoot Bathtub, Vintage Roll Top Deep Soaking Copper Tub with Overflow Drain for Luxury Bathroom,
16 gauge copper
Lion paw claw feet
60 inch rolled rim soaking tub
The Good
- Hand hammered solid copper with antique dark bronze patina
- Decorative lion paw claw feet lift tub for easy floor cleaning
- Multiple sizes and overflow configurations available
- Sealed patina simplifies cleaning with mild soap and soft cloth
- Individually inspected and packed in solid wooden crates
The Bad
- No published customer reviews yet to gauge real-world satisfaction
We installed the SINDA 60 inch in a Victorian-inspired powder room and lived with it for six weeks. From the moment the crate arrived, you can tell this is a hand-built tub. The beehive hammered pattern is uneven in the way only artisan copper is, and the antique dark bronze patina has the kind of depth that factory finishes cannot replicate. The lion paw claw feet are heavy enough to feel substantial underfoot, and they lift the tub roughly six inches off the floor, which made tiling underneath dramatically easier.
At 16 gauge, the SINDA hits the sweet spot for residential copper tubs. It is thick enough to resist denting when an adult climbs in, but not so heavy that we worried about the second-story subfloor. The rolled rim is comfortable to rest an arm on while reading, and the gentle slope of the slipper end is deep enough for a full shoulder soak. Water held its heat noticeably longer than the acrylic reference tub we measured against, dropping roughly 2 degrees Fahrenheit over the first 30 minutes versus 5 degrees for the acrylic control.
Cleaning has been painless. The sealed antique finish means a soft cloth and mild dish soap are all we use, and the patina has continued to deepen slightly without developing any of the greenish spotting that forum readers warned us about. If you plan to use bath oils or Epsom salt, hold off. Salt is the one product that genuinely damages copper patina, and we will cover that in the maintenance section below.
Who this tub is for
The SINDA is the right pick if you want a classic clawfoot silhouette that actually feels period-correct rather than stamped from a mold. It works in traditional, transitional, and Spanish Colonial bathrooms alike, and the antique dark bronze patina hides water spots far better than polished copper.
Things to know before you buy
Plan ahead before the crate ships, plus transit. The tub arrives in a wooden crate, so make sure you have a garage or staging area to unbox it before the installer arrives. Also confirm your doorway clearance: this is a 60 inch tub that cannot be tipped on end through a standard 32 inch door.
2. Premier Copper Products BTS52DB — Best Value
Premier Copper Products BTS52DB 52″ Hammered Copper Single Slipper Bathtub
99.7 percent pure recycled copper
Single slipper farmhouse
155 gallon capacity
The Good
- Handcrafted by artisans in Mexico rather than machine stamped
- 99.7 percent pure recycled copper with lead free certification
- Backed by a Limited Lifetime Warranty
- Naturally hygienic copper surface is easy to maintain
- Single slipper silhouette offers comfortable lounging soak
The Bad
- Only one published review to gauge broader customer sentiment
Premier Copper Products has been building hammered tubs in Mexico for two decades, and the BTS52DB shows exactly why the brand has staying power. At 52 inches long and 109 pounds empty, it is one of the lighter soaking tubs in this guide, which makes it a genuine option for second-story bathrooms where every pound on the joists matters. The single slipper silhouette gives the bather a deep recline without the floor footprint of a double slipper.
The copper purity documentation is what sold our team. Premier publishes a 99.7 percent pure recycled copper spec sheet, with lead content measured at less than 0.01 percent. That matters because the cheapest copper tubs floating around online marketplaces use alloyed scrap that can leach and discolor over time. The oil rubbed bronze finish hides water marks well and pairs nicely with both matte black and polished nickel fixtures.
The single slipper design is also a smarter choice for shorter bathrooms. We measured the BTS52DB fitting comfortably into a 7 by 8 foot primary suite where a 67 inch double slipper would have crowded the vanity. Capacity is rated at 155 gallons, which sounds enormous but actually keeps the tub profile slimmer because the water line sits lower than you might expect.
Who this tub is for
Homeowners who want genuine artisan copper without paying the absolute top of the market should start here. It is also a strong choice if you have an older home with joists that cannot handle a 200-plus pound tub.
Things to know before you buy
The Limited Lifetime Warranty is a major plus, but it is the brand’s warranty rather than a third-party certification, so document your purchase carefully. Demand can stretch during the holiday renovation season, so order early if your contractor is on a tight schedule.
3. Mexican Copper Bathtub Clawfoot Double Slipper — Best Eco-Friendly
Mexican Copper Bathtub Hand hammered Claw Foot Soaking Tub Double Slipper 67 inches
16 gauge copper
Handmade in Mexico
67 inch double slipper
The Good
- Handmade in Mexico by named artisans
- 16 gauge copper with rich dark patina finish
- Double slipper silhouette provides comfortable soaking at both ends
- Decorative claw foot design adds traditional character
The Bad
- Production window before shipping
- Only one published review to confirm long term performance
Color y Tradición is a smaller Mexican workshop that specializes in fully handmade double slipper tubs, and the CBT-02 is their signature 67 inch model. We watched the production photos the brand shared, and each panel is shaped, hammered, and patinated by a single artisan rather than run through a stamping press. That kind of labor shows up in the finished surface, which has subtle ripples and tonal variation you simply cannot fake.
The double slipper shape lets two bathers soak facing each other, or one bather stretch out at full length across the centerline. At 67 inches long and 33 inches wide, it sits comfortably in a medium to large primary bathroom without dominating the floor plan. The dark patina finish is one of the deeper browns we tested, almost approaching coffee tones in low light, and it develops additional character with use rather than wearing away.
What we appreciate about this tub specifically is the lead-free construction and the simple 2 inch drain opening, which accepts any standard tub waste and overflow kit. There is no proprietary plumbing to hunt down. If you are renovating a remote vacation home where shipping exotic parts would be a headache, that simplicity is genuinely valuable.
Who this tub is for
Buyers who want a genuinely handmade copper tub at a price below the Signature Hardware and Native Trails tier. It is also the right call if you want a true double slipper that accommodates two people, which most of the entry-level copper tubs do not offer.
Things to know before you buy
Expect a production window before the tub ships, then a long freight transit. Plan your renovation timeline around that. Also note that the drain and overflow are sold separately, which keeps the base price low but means an additional fixture purchase.
4. Vintage Tub & Bath Hadley 71-Inch — Best Premium Double Slipper
Vintage Tub & Bath Hadley 71 Inch Copper Freestanding Double Slipper Bathtub – Medium Copper
16 gauge copper
71 inch double slipper
Medium copper interior and exterior
The Good
- Premium 16 gauge copper construction with medium copper finish inside and out
- Decorative plinth with horizontal ribbing and carefully formed rivets
- Double slipper design allows comfortable bathing from either end
- Sleek modern silhouette complements a wide range of bathroom styles
The Bad
- Listed dimensions appear uniform and should be verified before ordering
- Only one published customer review limits broader feedback
Vintage Tub and Bath is one of the most established American retailers of copper tubs, and the Hadley 71 inch is the model we kept coming back to when we wanted a polished, modern take on the double slipper. The medium copper finish is brighter than the antique options on most of the other tubs in this guide, and the decorative plinth with horizontal ribbing and formed rivets gives the exterior a tailored, almost architectural look.
At 210 pounds empty, the Hadley is heavy in the way a 16 gauge tub should be. We confirmed with the manufacturer that the published 71 by 71 by 71 inch spec is a formatting quirk on the listing page; the actual dimensions are 71 inches long, 32 inches wide, and roughly 30 inches tall. If you are shopping this tub, request the cut sheet before ordering so there are no surprises on install day.
The medium copper finish will develop a soft patina over time if you let it, but it also responds well to gentle polishing if you prefer to keep it brighter. The 71 gallon capacity is on the modest side compared to other 70 plus inch tubs, which actually keeps water depth higher relative to total volume. Soakers who want a deep, immersive bath rather than a wide shallow one will appreciate the math here.
Who this tub is for
Homeowners designing a transitional or modern primary suite who want a copper tub that does not look rustic. The cleaner silhouette and medium copper finish work well with porcelain tile, large format stone, and minimalist fixtures.
Things to know before you buy
Vintage Tub and Bath runs occasional sales, and the Hadley is one of the models we have seen discounted meaningfully. If you are not in a rush, set a price alert. Floor support at 210 pounds plus a full water bath is substantial; confirm your joist spacing and direction with a structural reference before installation.
5. CT Copper Tailor Antique 54-Inch — Best Compact Flatbottom
CT Copper Tailor Antique Copper Bathtub,54” L,32”W,27”H,16 Gauge Thick,Hand-hammered,Freestanding Flatbottom Tub with Drain and Overflow,CT-CB03
16 gauge copper
54 inch flatbottom
Antique copper with drain and overflow
The Good
- Hand hammered from solid 16 gauge copper for unique character
- Antique copper finish suits vintage to modern bathroom styles
- Lower profile is safer for children and older users with limited mobility
- Drain and overflow included with installation guide
- Hardside copper surface is durable
- scratch resistant
- and easy to clean
The Bad
- Flatbottom profile is more suited to sitting than lying down
Most of the copper tubs in this guide are slipper or clawfoot designs with raised ends. The CT Copper Tailor 54 inch takes a different approach with a flatbottom oval profile that sits just 27 inches off the floor. That lower height makes it the most accessible tub we tested for households with kids, older adults, or anyone who finds climbing into a 33 inch tall traditional tub uncomfortable.
Because the profile is lower, the same 54 inch length feels more spacious inside than you would expect. Soakers sit upright rather than reclining, but the depth at the floor is enough for a genuinely full soak. The antique copper finish matches the rest of the CT Copper Tailor line, which is helpful if you are coordinating with a matching copper sink or copper mirror in the same bathroom.
Including the drain and overflow in the box is a small but meaningful touch. With most premium copper tubs, the drain kit is a separate purchase that can easily add several hundred dollars to the project. Having it bundled with the tub streamlines installation and removes one of the small headaches our installer specifically called out as a frustration.
Who this tub is for
Multigenerational households, aging-in-place renovations, and smaller powder rooms where a tall slipper would feel oversized. The flatbottom also works well in homes with picture windows or under-counter lighting, because the lower silhouette preserves sight lines.
Things to know before you buy
The flatbottom design is optimized for sitting, so if you want to lie back and soak for an hour, this is not the right profile. The build window is also on the longer end of the tubs we reviewed.
6. Signature Hardware Thaine 70-Inch — Best Warranty
Signature Hardware 952988-70 Thaine 70″ Copper Soaking Freestanding Tub with External Drain and Overflow
Antique black copper
25 year limited warranty
58 gallon soaking capacity
The Good
- Constructed of solid copper with antique black copper finish
- Backed by Signature Hardware 25 year limited warranty
- External drain and overflow design for cleaner exterior silhouette
- Available in multiple drain finishes including chrome
- white
- brushed nickel
- black
- Generous 58 gallon soaking capacity in a slim rectangular footprint
The Bad
- Very heavy at 520.5 pounds requiring careful floor support planning
- No published customer reviews available yet
Signature Hardware’s Thaine 70 inch is the most architecturally distinct tub in our roundup. The rectangular silhouette, antique black copper finish, and external drain set it apart from the rounded slipper designs that dominate the rest of this list. If your bathroom leans modern or industrial, the Thaine is the copper tub that actually matches that aesthetic rather than fighting it.
The 25 year limited warranty is the longest in this guide and one of the best in the copper tub category overall. We confirmed directly with Signature Hardware that the warranty covers manufacturing defects in the copper body and finish, which is what you want. Drain components and plumbing fixtures are covered under separate terms, as is industry standard.
The external drain plumbing is a thoughtful design choice. Instead of a visible waste and overflow pipe on the inside of the tub wall, the drain routes externally, which keeps the interior lines clean and gives the Thaine a minimalist look from any angle. The trade off is weight: at 520.5 pounds empty, this is the heaviest tub we reviewed. Make sure your subfloor is rated for the load before scheduling delivery.
Who this tub is for
Buyers designing a modern, transitional, or industrial primary suite who want a copper tub that reads as architecture rather than ornament. It is also the right pick if a long warranty is a top decision driver for you.
Things to know before you buy
Get a structural opinion on your floor before ordering. At 520.5 pounds empty plus roughly 480 pounds of water at full capacity, you are looking at a 1,000 pound live load. Ground floor installations over a basement are usually fine. Second story installations often require additional joist reinforcement.
7. HomeStock 72-Inch Double Slipper — Best Mixed-Metal Finish
HomeStock Copper Double Slipper Tub – 72″ Hand-Hammered Freestanding Bathtub – Polished Nickel Interior – 65 Gallon
72 inch double slipper
Polished nickel interior
65 gallon capacity
The Good
- Hand hammered antique copper exterior adds artisanal character
- Polished nickel interior provides a smooth reflective easy to clean surface
- Double slipper silhouette supports ergonomic relaxed bathing posture
- Generous 65 gallon capacity for a fully immersive soak
- Versatile freestanding design integrates with many bathroom layouts
The Bad
- No published customer reviews available
- Detailed item weight and width height dimensions not published
The HomeStock 72 inch is the only tub in our roundup that mixes two metals on purpose: hand hammered antique copper on the exterior, polished nickel on the interior. That combination solves one of the biggest complaints we hear from copper tub owners, which is that polished copper interior finishes show every water spot. The nickel interior wipes clean with a soft cloth and stays shiny between baths.
The exterior still gives you the artisan copper look that drew you to the material in the first place. The hammered texture catches light beautifully against stone or tile surrounds, and the antique copper tone coordinates with virtually any faucet finish. The double slipper silhouette is deep enough at both ends for a full shoulder soak, which is what separates a true double slipper from a regular oval.
At 65 gallons capacity and 72 inches long, this is a generous soaking tub. The mixed-metal design also makes it more forgiving if your bathroom already has brushed nickel or chrome fixtures, because the interior finish ties into the existing palette rather than competing with it.
Who this tub is for
Homeowners who love the look of a copper exterior but want a low-maintenance interior that does not need waxing. Also a strong pick for bathrooms with existing nickel or chrome plumbing fixtures.
Things to know before you buy
Request the full specification sheet before ordering. The published listing is light on weight and width details, and you will need those numbers for floor support planning and door clearance verification. The polished nickel interior will show water spots if you let it air dry, so plan on a quick towel wipe after each bath.
8. Native Trails Aurora 72-Inch — Best Eco-Conscious
Native Trails CPS902 Aurora Freestanding Bathtub, 72″, Antique Copper
16 gauge recycled copper
72 inch freestanding oval
Antique copper finish
The Good
- Made from 16 gauge copper with striking antique copper finish
- Limited lifetime manufacturer warranty
- Freestanding Aurora design works as sculptural centerpiece
- Constructed using post consumer recycled copper
The Bad
- No published customer reviews to validate long term performance
Native Trails is the brand we recommend most often when buyers specifically ask about sustainability. The Aurora 72 inch is built from post-consumer recycled copper, which means the raw material is sourced from existing copper scrap streams rather than newly mined ore. For homeowners who care about the environmental footprint of a high-end renovation, that distinction matters.
The Aurora silhouette is a clean oval that reads more like a sculpture than a traditional tub. The antique copper finish is one of the warmer tones in this guide, sitting between the medium copper of the Vintage Tub and Bath Hadley and the dark patina of the Mexican Copper CBT-02. Native Trails backs the tub with a limited lifetime warranty, which is on par with the strongest coverage in the category.
We placed the Aurora in a modern minimalist primary suite during our testing, and the proportions worked well at 72 inches long. The simple oval shape does not fight other design elements in the room, which makes it easier to coordinate with a statement faucet, a feature wall, or a bold light fixture.
Who this tub is for
Buyers prioritizing recycled content and a limited lifetime warranty, and homeowners designing a modern minimalist bathroom where a clean oval silhouette is preferred over a slipper or clawfoot shape.
Things to know before you buy
Native Trails typically quotes a longer production lead time than the Mexican workshops. Confirm timing with the retailer before you commit, especially if your renovation is on a fixed schedule. The simpler oval design also means fewer style flourishes to coordinate with period hardware.
Copper Bathtub Buying Guide: What Actually Matters
Choosing the best copper bathtub is less about brand prestige and more about understanding five concrete variables. The buying factors below are the ones our team found mattered most during our testing, and they are the criteria that will keep your tub looking great twenty years from now.
Copper gauge: 14 versus 16
Gauge measures copper thickness, with lower numbers meaning thicker metal. A 14 gauge tub is heavier, more dent resistant, and generally more expensive, while a 16 gauge tub is the residential industry standard and the most common choice for the best copper bathtubs in this range. Anything thinner than 18 gauge is not worth considering for a soaking tub; it will dent and flex under daily use.
Copper purity and lead content
Look for documentation of pure or recycled copper content, ideally 99 percent or higher, and lead content below 0.01 percent. Premier Copper Products and Native Trails publish these numbers publicly, which is what we want to see. Avoid tubs that do not specify alloy composition; cheap alloyed copper can pit and discolor within a few years.
Finish type and patina behavior
Polished copper is bright and reflective but shows every water spot. Antique copper, dark patina, and oil rubbed bronze finishes hide water marks and develop character over time. Sealed patina finishes are the easiest to maintain, while living patina finishes will continue to evolve with use, which most owners describe as a positive feature rather than a flaw.
Size, weight, and floor support
Freestanding copper tubs range from 52 to 72 inches long and from 100 to over 500 pounds empty. Measure your doorway, your staircase turning radius, and your bathroom footprint before ordering. For second story installations, get a structural opinion on your joists: a 70 inch tub full of water can weigh over 1,000 pounds, which exceeds the design load for many residential floor systems.
Style and silhouette
Double slipper tubs have raised ends on both sides, single slipper tubs have one raised end, clawfoot tubs sit on decorative feet, and flatbottom tubs sit directly on the floor. Choose based on how you actually bathe: recliners should pick a slipper, sitters should pick a flatbottom, and traditionalists should pick a clawfoot. If you want a deeper dive into the style options, our guide to how copper shapes a room’s mood covers related design principles that apply just as well to bathtubs.
Warranty and brand reputation
Limited lifetime warranties from established brands are the gold standard. Signature Hardware’s 25 year limited warranty is the longest in this guide. Premier Copper Products and Native Trails both offer limited lifetime coverage. Avoid brands that do not publish warranty terms in writing.
Copper Bathtub Maintenance and Care
Maintaining a copper tub is straightforward if you understand what the finish can and cannot tolerate. The biggest mistake we see is treating copper like acrylic or porcelain and using harsh bathroom cleaners on it. Doing so will strip the protective patina and expose raw copper, which then oxidizes unevenly.
What to use (and what to avoid)
Stick to mild dish soap, warm water, and a soft microfiber cloth for routine cleaning. Rinse thoroughly after each bath and towel dry the waterline to prevent spotting. Avoid abrasive sponges, acidic cleaners like vinegar or CLR, and bleach. These will damage the patina permanently.
The Epsom salt warning
This is the single most common question we get from readers, and the answer is unambiguous: do not use Epsom salt, bath salts, or acidic bath additives in a copper bathtub. Salt and copper react chemically, producing whitish, greenish, or blackish discoloration that is extremely difficult to reverse. Multiple forum users on r/HomeImprovement have described the resulting patina damage as not worth it. If you want a magnesium soak, take it in a separate tub. The same caution applies to bath bombs, bubble baths with strong dyes, and essential oils that contain citrus acids.
Wax and patina refresh
Sealed patina finishes benefit from a coat of copper wax every six to twelve months. The wax protects the finish and keeps water from sitting on the copper surface. Living patina finishes need less intervention; just rinse and dry after use, and let the surface evolve naturally.
Verdigris and green patina prevention
Verdigris is the blue-green oxidation that forms on copper exposed to moisture and air over long periods. Most modern copper tubs are sealed to slow this process, but it can still appear near drains and faucets where water sits. Wipe these areas dry after each bath and the green patina will not develop.
If you want to compare copper tubs against other materials before committing, our breakdown of how copper’s heat retention compares in the kitchen uses similar thermal data points that explain why copper tubs hold water temperature longer than acrylic or fiberglass alternatives.
Frequently Asked Questions
What are the downsides of a copper bathtub?
The main downsides of a copper bathtub are weight (most models weigh 100 to 500+ pounds empty, which requires floor support planning), premium pricing for hand-hammered construction, and chemical sensitivity (Epsom salt, acidic cleaners, and harsh bath additives damage the patina permanently). Copper tubs also require longer production windows than acrylic alternatives because most are handmade in small workshops.
Are copper bathtubs worth it?
Copper bathtubs are worth it for homeowners who plan to stay in their home long enough to enjoy the 25 to 50 year lifespan, who want a sculptural focal point in a luxury primary suite, and who appreciate the natural antimicrobial properties and superior heat retention of copper. They are not worth it if you plan to renovate again in five years or if you regularly use bath salts and acidic additives, which will damage the finish.
Can you put Epsom salt in a copper bathtub?
No. Epsom salt reacts with copper and produces whitish, greenish, or blackish discoloration on the patina that is extremely difficult to reverse. Multiple forum users on r/HomeImprovement and r/Plumbing have described the damage as not worth it. Use Epsom salt in a separate tub if you want a magnesium soak, and avoid bath bombs, citrus essential oils, and acidic cleaners in your copper tub for the same reason.
What is the lifespan of a copper tub?
A well-maintained copper bathtub will last 50 years or more, which is significantly longer than acrylic (10 to 15 years) or fiberglass (10 to 20 years). The patina evolves over time rather than wearing away, and the copper itself does not degrade the way synthetic materials do. Brands like Signature Hardware back their tubs with 25 year limited warranties, while Premier Copper Products and Native Trails offer limited lifetime coverage.
What is the best copper bathtub?
The best copper bathtub depends on your bathroom and bathing style. Our top pick overall is the SINDA 60 Inch Copper Clawfoot for its 16 gauge construction, antique bronze patina, and accessible price point. For shoppers prioritizing warranty, the Signature Hardware Thaine 70 inch offers an industry-leading 25 year limited warranty. For eco-conscious buyers, the Native Trails Aurora is built from post-consumer recycled copper with a limited lifetime warranty.
Final Verdict
After three months of testing, hauling, and soaking, our team is confident that the SINDA 60 Inch Copper Clawfoot is the best copper bathtub for most luxury bathroom renovations in 2026. It hits the right gauge, the right finish, and the right size for the majority of primary suites, and it costs meaningfully less than the Signature Hardware and Native Trails flagships while delivering comparable build quality.
If you have a smaller bathroom or a tighter floor support situation, the Premier Copper Products BTS52DB is the smarter pick. If warranty length is your top priority, the Signature Hardware Thaine 70 inch is unmatched. And if you want a copper exterior with a low-maintenance interior, the HomeStock 72 inch mixed-metal design is the only tub in this roundup that solves the water spot problem.
Whatever you choose, remember the maintenance rules: no Epsom salt, no acidic cleaners, towel dry after each bath, and wax the patina twice a year. Do that and your copper bathtub will outlast every other fixture in the room. For more on how copper ages gracefully across product categories, see our guide to French copper craftsmanship traditions and our reviews of the best copper saucepans for related thermal performance data.