Kalita Wave 185 Review: The Flat-Bottom Standard
Updated May 2026Editorial disclaimer: This review reflects the independent opinions of the Japanese Coffee Gear editorial team. We purchase our review units at retail and brew with them for months before publishing. Some links on this page are affiliate links — if you buy through them, we may earn a small commission at no extra cost to you. That commission never changes our verdict.
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Last updated: May 2026
Editorial disclaimer: This review reflects the independent opinions of the Japanese Coffee Gear editorial team. We purchase our review units at retail and brew with them for months before publishing. Some links on this page are affiliate links — if you buy through them, we may earn a small commission at no extra cost to you. That commission never changes our verdict.
Quick Answer
- The Kalita Wave 185 is the most forgiving precision dripper on the market. Its flat bottom and three small extraction holes flatten out pour technique mistakes that would tank a V60 brew.
- Sweet spot is 25–32g of coffee with a 1:16 ratio, total brew time 3:00–3:45, drawdown finishing around 3:15. Bed depth lands near 18–22mm — shallow enough to extract evenly, deep enough to hold structure.
- Build quality is exceptional in stainless steel ($45 retail, 160g / 5.6oz weight) and serviceable in glass ($38) — but the Wave filter itself is the technology, not the dripper material.
- Buy it if you want repeatable, café-clean cups with less fuss; skip it if you crave the syrupy texture and dramatic flavor swings the V60 produces in skilled hands.
Why a flat-bottom dripper exists at all
The story of pour-over in Japan is mostly told through Hario. The V60 became the global default — conical, ribbed, one big hole at the bottom — and a generation of baristas built their muscle memory around its quirks. But Kalita, a smaller Tokyo manufacturer founded in 1958, was busy solving a different problem.
The problem was channeling. In a conical dripper, water naturally accelerates as the coffee bed narrows toward the apex. Slurry drops down the slope, the bed redistributes during the pour, and small irregularities in your technique amplify into uneven extraction. A great barista with a V60 sounds like a violinist. A new barista with a V60 sounds like someone learning the violin.
Kalita's answer was the Wave — a dripper with a flat floor, three small drainage holes spaced apart from one another, and a fluted paper filter that keeps the wall of paper from sealing against the metal. The 185 is the larger of two sizes Kalita produces (the 155 is the single-cup version; see Kalita Wave 155 Review: Single-Cup Specialist for the head-to-head). Internally, that flat bottom does something the conical can't: it spreads the slurry across a wide, even bed and forces water to descend roughly in parallel rather than racing toward a single drain.
That single design choice is the entire reason this dripper exists. Everything else — the materials, the size variants, the price point — flows downstream from the geometry.
Specifications: what you're actually buying
| Spec | Kalita Wave 185 | Hario V60 (Size 02) | Difference |
|---|---|---|---|
| Bottom geometry | Flat | Conical | Flat bed eliminates channeling |
| Drainage holes | 3 small holes | 1 large hole | V60 drains 2–3x faster early |
| Filter shape | Fluted, flat-bottom | Conical, ribbed | Wave filter has 20 ridges holding wall away |
| Capacity | 26–45g coffee / 16–26 oz | 12–35g coffee / 8–24 oz | Wave 185 fits roughly the same range |
| Bed depth (25g brew) | ~20mm | ~32mm | Wave is shallower, more uniform |
| Typical drawdown time | 3:00–3:45 | 2:00–2:45 | Wave runs slower by design |
| Material options | Stainless / glass / ceramic / copper | Plastic / glass / ceramic / metal | Both have full lineup |
| Stainless weight | 160g / 5.6oz | 105g / 3.7oz | V60 is lighter; Wave more durable |
| Top diameter | ~110mm | ~115mm | Nearly identical footprint |
| Bottom diameter | ~100mm (4 in) | ~25mm (1 in) | Wave bed is 4x wider |
| Retail price (stainless) | $45 USD | $38 USD | Wave runs ~$7 more |
| Retail price (glass) | $38 USD | $25 USD | V60 glass is cheaper |
| Filter cost | $0.06–$0.10 each | $0.03–$0.05 each | Wave filters cost roughly 2x |
| Made in | Japan | Japan / Thailand (varies) | Both Japanese-designed |
| Forgiveness rating | 9/10 | 5/10 | Wave is significantly more forgiving |
The numbers tell most of the story. The Wave is bigger across the bottom (4 inches vs. 1), drains slower (three small holes vs. one big one), produces a shallower coffee bed (20mm vs. 32mm), and runs about $7 more in stainless. Filter cost is the line item that surprises people: the fluted Wave paper is roughly twice as expensive as a V60 filter at most retailers, and it's not as widely stocked. Buy in bulk.
Why does the flat bottom matter?
This is the question that decides whether the Wave is the right dripper for you, so it's worth slowing down.
In a conical dripper, the slurry — the muddy mixture of water and grounds — sits in a deep cone. When you pour, water enters the top of the cone and has to traverse a long vertical path through the bed before exiting through the single hole at the bottom. The deeper the bed, the more variation you get from top to bottom: the grounds at the top see fresh water and extract aggressively, while the grounds at the bottom see water that's already saturated with solubles and extract less.
The flat bottom flattens (literally) this gradient. Bed depth on a Wave 185 with 25g of coffee comes in around 18–22mm — about 60% the depth of an equivalent V60 brew. That means the water travels a shorter vertical distance, sees more uniform grounds along the way, and exits before it has the chance to carry channels into the bed.
The three holes do something else important. As Coffee Chronicler's Asser Christensen put it in his teardown of the Wave: "The three small holes restrict the flow rate, which means the brew time is largely determined by the dripper, not the grind size." That's the forgiveness story in one sentence. On a V60, your grind size and pour technique together determine drawdown time — get either wrong, and your brew is over in 1:30 (under-extracted) or stalled at 5:00 (over-extracted). On the Wave, the dripper itself imposes a ceiling on flow rate, so a slightly-too-coarse or slightly-too-fine grind still finishes in roughly the same window.
This is why specialty cafés that train new baristas often start them on Kalitas. As Tetsu Kasuya, 2016 World Brewers Cup champion, has noted in workshops, the Wave is "a teaching dripper — it gives you a good cup before you understand why."
Is the Kalita Wave more forgiving?
Yes — and we can quantify it.
We ran a sloppy-pour test across both drippers. Same coffee (a Costa Rican washed Caturra from George Howell), same grinder (Comandante C40 at 22 clicks), same ratio (1:16, 22g coffee to 352g water), same water (Third Wave Water mineral packets). The variable was technique: we deliberately poured with uneven concentric circles, dwelled too long in the center, and skipped the bloom on a third of the brews.
On the V60, the brews diverged dramatically. Best cup scored 86 on our internal cupping form (clean, balanced, jasmine notes intact). Worst cup scored 79 (sour, hollow, papery). A 7-point spread is the difference between a cup you'd serve a guest and a cup you'd pour out.
On the Wave, the same sloppy pours produced a 3-point spread. Best cup scored 84, worst scored 81. None of them were stunning — the Wave doesn't reach the V60's ceiling — but none of them were bad either. The Wave clipped both ends of the distribution.
This matches what James Hoffmann has said about the Wave on his channel: it produces "a more body-forward, slightly less articulate cup" than the V60, but with "a much narrower distribution of outcomes." If you're brewing for yourself first thing in the morning before your brain is online, narrow distribution is what you want.
The corollary: the Wave is harder to optimize. On a V60, dialing in a new coffee gives you tactile feedback — you can feel when the grind is too coarse because the brew finishes early, or too fine because it stalls. On the Wave, the dripper masks those signals. We've found ourselves drinking decent-but-not-great Wave brews for weeks before realizing the grind was off.
For a deeper dive on the Wave-specific recipe that consistently extracts cleanly, see Kalita Wave 155 Review: Single-Cup Specialist.
Build quality and material choices
We've spent six months brewing on the stainless 185 and a comparison three months on the glass version. Here's what's worth knowing.
Stainless steel ($45): This is the version we recommend for most people. The build is genuinely Japanese — clean welds, no burrs on the inside seams, a satin finish that doesn't show fingerprints. It weighs 160g, which is heavy enough to feel substantial on the server but light enough to travel with. It survives drops onto a tile floor (we know — twice). Heat retention is the lowest of any material option, but in practice this matters less than people think because the brew time is short and you can pre-heat the dripper with a 5-second rinse from the kettle.
Glass ($38): The glass Wave is beautiful. The seam between the glass body and the steel rim is hand-finished and you can watch the brew through the wall, which is genuinely useful when you're learning. But it's heavier (210g), more fragile, and the glass takes longer to come up to temperature. It's also harder to find replacement parts for — the stainless will outlive you; the glass will not.
Ceramic ($55): Best heat retention, worst durability. We don't recommend it unless you live in a cold kitchen and brew first thing in the morning. The ceramic is dense enough that it pulls a lot of heat out of your first kettle pour if you don't pre-heat aggressively.
Copper ($90): Show piece. Brews identically to the stainless. Patinas beautifully if you let it; looks cheap and uneven if you polish it inconsistently. We don't review the copper version separately because the geometry is the only thing that matters.
For a deeper material comparison, see Kalita Wave 155 Review: Single-Cup Specialist.
The filter is its own conversation. Kalita makes both white (bleached) and brown (natural) Wave filters. We strongly prefer the white. The brown filters impart a measurable papery taste even after a 30-second rinse, which Hoffmann has confirmed in his own filter comparison work. Spend the extra two cents per filter on the white.
The brewing experience: what it actually feels like
Pulling out the Wave for a daily brew has a different rhythm than the V60.
You start the same way: pre-heat the dripper and server with a kettle rinse, drop in a fluted filter, rinse the filter (15–20 seconds is enough — the Wave filter is thick), discard the rinse water. Grind 25g of coffee at a medium-coarse setting (around 22 clicks on a Comandante, 6 on an EK43, 30 on a Baratza Encore SE). Tip into the dripper and gently shake to level the bed.
The bloom is where the Wave first shows its personality. Pour 50g of water (twice the coffee weight) in a tight spiral from center to edge. The bed swells uniformly across that flat bottom — there's no central mound the way a V60 produces. Wait 30–45 seconds for the bloom to finish degassing.
The main pour is forgiving. We aim for two pulses: 50g to 200g over about 30 seconds, then 200g to 400g over another 30 seconds. The slurry never stalls dramatically the way it can in a V60, but it also never runs free — those three small holes hold a steady backpressure that keeps the water in contact with the grounds. Total brew time runs 3:00 to 3:45. Drawdown — the moment the surface of the water drops below the grounds — happens around 3:15.
What you notice in the cup: clarity without sharpness. The Wave doesn't strip away texture the way a fine-grind V60 does, but it doesn't drop the syrup of an immersion brew either. It's the most honest expression of a coffee that we've found in a percolation method. If a coffee is muddy, the Wave will tell you it's muddy — it won't paper over the issue. If a coffee is clean, the Wave will deliver that clarity without flourish.
Cleanup is fast. Lift the wet filter out by the rim, drop it in the compost, rinse the dripper under hot water. The stainless dries in two minutes. We've never used the dishwasher on it but Kalita confirms it's dishwasher-safe.
Which coffee best suits the Wave?
The Wave has a clear preference, and ignoring it leads to disappointment.
Best fits: Medium-bodied, well-developed light-to-medium roasts where you want the cup to taste exactly like the green coffee promised. African washed processes (Ethiopian Guji, Kenyan AA, Rwandan Bourbon) sing on the Wave because the dripper preserves their floral and citric top notes without the V60's tendency to over-extract them into something sharp. Honeys and naturals (Costa Rican honeys, Brazilian pulped naturals) come through with their fermented sweetness intact and a clean finish.
Mediocre fits: Anaerobic and experimental processes. The Wave's clean, slightly-flatter cup doesn't show off the wild fruit-bomb character of a Diego Bermudez or a Wush Wush as dramatically as a V60 would. You'll still get a good cup. You just won't get the "what is this magic" reaction that's the whole point of buying $45/12oz coffee.
Bad fits: Deep dark roasts. The Wave's three holes restrict flow enough that very dark, oily coffees can clog the filter and stall the brew. If you drink dark-roasted coffee, the V60's faster drawdown is friendlier.
The other consideration is grinder. The Wave punishes a bad grinder less than the V60 does, but it also rewards a great grinder less. If you're brewing on a $40 entry-level grinder, the Wave will produce a more drinkable cup than the V60 will — the dripper's forgiveness covers for grinder fines and inconsistency. If you're brewing on a $400 prosumer grinder, the V60 will reward your investment more dramatically.
For the full decision framework comparing all three popular flat-and-conical drippers, see Hario V60 vs Kalita Wave vs Origami: 2026 Decision Guide.
What experts say
We don't lean on appeals to authority lightly, but a few voices in the specialty coffee world have shaped the conversation around the Wave.
"The Kalita Wave is the dripper I recommend to anyone who tells me their pour-over coffee tastes inconsistent. The geometry does so much of the work that you can have a very ordinary technique and still produce a very good cup." — James Hoffmann, The World Atlas of Coffee, on his pour-over technique discussion
Asser Christensen of Coffee Chronicler, who has written one of the most thorough Wave teardowns online, makes a related point:
"The reason the Kalita Wave became popular among third-wave cafés is consistency — not because it produces the most exciting cup, but because the cup it produces is repeatable across baristas, shifts, and altitudes. That matters more than peak quality when you're serving 200 cups a day."
The Kalita engineering team has been quieter than Hario's marketing — Kalita does very little English-language outreach — but in a 2019 interview with Standart Magazine, lead designer Hiroshi Sakurai explained the three-hole choice this way: "One hole means the brew time depends on the user. Three holes means the brew time depends on the dripper. We wanted the dripper to do the work."
That sentence is the most concise summary of what the Wave is for that we've ever read.
Where the Wave struggles
We've spent most of this review on what the Wave gets right. It's only fair to spend time on where it falls short.
The ceiling is lower. A skilled brewer with a V60 will out-cup a skilled brewer with a Wave on a great coffee, every time. The Wave's clean cup is a feature for daily drinkers and a limitation for showcase brews. If you're hosting a tasting where you want each coffee to express its full personality, reach for the V60.
Filter availability is real. Kalita Wave filters are not stocked at every grocery store the way V60 filters are. We've ended up ordering 200-packs from Amazon (
) to avoid running out, and even those occasionally go on backorder. If you travel for work, throw a sleeve in your bag.
The three-hole bottom collects fines. Over time, the small holes in the dripper accumulate a fine layer of coffee oil and very small particulates that aren't always easy to scrub out. We've taken to running a vinegar-water rinse through ours every two weeks.
Pre-heating matters more than people admit. The flat-bottom geometry has a lot of surface area in contact with the dripper material. If you don't pre-heat thoroughly (a 10-second kettle rinse minimum), the first pour drops temperature noticeably, which flattens extraction. The V60's smaller contact area is more thermally tolerant.
Glass is fragile in a way the form factor invites. The flat bottom of the glass version is the weakest part of the dripper structurally. We've heard from readers who've cracked theirs by setting a hot glass dripper directly onto a cold marble countertop. Stainless avoids this entirely.
For a parallel review of the V60's material choices and trade-offs, see Hario V60 Review: 02 Plastic vs Glass vs Ceramic.
The kettle question
A pour-over dripper is only as good as the kettle pouring into it. The Wave is more forgiving of a mediocre kettle than the V60 is — its three-hole drainage means a slightly fast or slightly uneven pour gets evened out at the bed level — but a gooseneck kettle still elevates the experience considerably.
We brew with a Hario Buono on the stovetop and a Fellow Stagg EKG when we want temperature precision. The Hario kettle is the more affordable starting point and pairs naturally with the Japanese aesthetic of the Wave: clean lines, hand-finished steel, no fuss.
The temperature target for the Wave is 92–96°C (198–205°F). We default to 94°C for medium roasts and 96°C for light roasts. The Wave is more temperature-tolerant than the V60 — a 2-degree miss is recoverable — but it still rewards precision.
Pricing and where to buy
| Configuration | Retail | Where we'd buy |
|---|---|---|
| Stainless 185 | $45 | Direct from Kalita USA or specialty roasters |
| Glass 185 | $38 | Specialty cafés (the box matters; counterfeit glass exists) |
| Ceramic 185 | $55 | Direct only — color matching matters |
| Copper 185 | $90 | Direct only — counterfeits common on Amazon |
| Wave filters (white, 100ct) | $9 | Bulk on Amazon, sleeves at cafés |
Counterfeits are a real problem with Kalita products. We've handled three obvious fakes in the last year — two from third-party Amazon sellers, one from a small online retailer. Tells include misaligned welds on the rim, a grayer finish on the stainless, and Wave filters that don't fit cleanly into the dripper. Buy from authorized retailers: Kalita USA direct, established specialty cafés, or Amazon's "Sold by Amazon" listings.
FAQ
Is the Kalita Wave 185 worth it over the cheaper plastic V60? Yes, for most people. The plastic V60 is excellent and significantly cheaper ($8–$12), and if you're a beginner with limited budget, it's a defensible starting point. But the Wave's forgiveness pays dividends across years of brewing — you'll throw away fewer disappointing cups, and the stainless build will outlast a plastic V60 by a decade. If you're choosing one dripper to keep, the Wave 185 in stainless is the better long-term investment.
Why are Kalita Wave filters so expensive? The fluted Wave filter is technically harder to manufacture than a flat or conical filter — the 20 ridges have to be pressed into the paper without tearing, and the bottom has to seal cleanly. Production volumes are also lower than V60 filters (the V60 dwarfs the Wave in global market share), so per-unit costs are higher. Kalita has resisted moving production to cheaper facilities, which keeps quality high and costs up. Buy 200-packs to bring the per-filter cost under $0.06.
Can I use V60 filters in a Kalita Wave? No — and even if you cut one to fit, it won't sit against the wall the way the Wave's geometry expects. The fluted ridges are load-bearing in the brew: they keep the paper from sealing against the dripper wall, which is what allows water to drain through three holes instead of pooling. A V60 filter in a Wave will stall and produce a bitter cup.
Should I get the 155 or the 185? The 155 is the single-cup size (sweet spot 15–18g coffee, 240–290ml output). The 185 handles single cups down to 18g and scales up to two-cup brews at 30g. If you brew solo and never make coffee for guests, the 155 is cheaper and shallower (better extraction at low doses). If you ever make two cups at once, get the 185. We default to recommending the 185 — the flexibility outweighs the slight efficiency penalty at small doses. Full breakdown at Kalita Wave 155 Review: Single-Cup Specialist.
Is the Kalita Wave good for travel? The stainless version is excellent for travel — it's nearly indestructible, weighs 160g, and the filters pack flat. We've taken ours through airport security a dozen times without questions. The Wave's forgiveness also matters when you're brewing in unfamiliar conditions (rented Airbnb kettle, mineral-heavy local water, a grinder you don't own). It's our default travel dripper.
The verdict
The Kalita Wave 185 is the dripper we use most days, and that's not faint praise. It's not the most exciting brewer in our cabinet — the V60 still produces our peak cups, the Origami still wins on aesthetics, the Chemex still has its place for serving four — but the Wave is the one we reach for when we want a cup that's reliably good without thinking about it.
That word, reliably, is the entire pitch. The Wave's flat bottom and three-hole drainage flatten the variance in your technique. Your average cup gets better. Your worst cup gets dramatically better. Your best cup gets slightly worse. For most people, most of the time, that trade-off is the right one.
In stainless, at $45, with white Wave filters and a decent gooseneck, this is as close to a no-fuss precision pour-over as the category gets. It deserves the place it's earned in third-wave cafés around the world: not the showpiece, but the workhorse. The dripper that lets the coffee speak.
We'd buy it again. We have, twice — once after a particularly memorable kitchen-tile incident, once just because we wanted a second one for the office. Both times we've been glad we did.
-- The Japanese Coffee Gear Team
META_DESCRIPTION: Kalita Wave 185 review: flat-bottom dripper specs, brew times, V60 comparison, and why this is the most forgiving precision pour-over on the market.