Buying guide

Best Clay for Pottery Wheels

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Before you worry about where to buy pottery clay, decide which clay to buy. The right clay makes centering easier, holds its shape when you pull a wall thin, and fires to a surface you'll actually want to glaze. The wrong one fights you: too stiff, too gritty, or rated for a temperature your kiln doesn't reach. That last point matters most. Clay has to match the cone your kiln or firing service uses, or your pots will come out weak and porous, or slumped.

For most beginners and hobby potters, the answer is a smooth mid-fire stoneware rated for cone 5–6. Choose by firing range first, then by color and texture. Smooth clays are easiest on your hands. Lightly grogged clays stand up better for tall forms.

Below are seven real throwing clays from Laguna, AMACO and Standard, with each maker's published cone, absorption and shrinkage figures. After the reviews, we cover where to buy pottery clay without paying more for shipping than for the clay.

Quick picks

  • Laguna B-Mix 5: Best overall for throwing. Best for potters who want a smooth, porcelain-like stoneware at cone 5.
  • AMACO Buff Stoneware No. 46: Best for beginners. Best for a dense, forgiving stoneware that works for wheel and hand-building.
  • Laguna Speckled Buff: Best speckled clay. Best for warm, earthy pots that look good under clear glazes.
  • AMACO White Chocolate No. 16: Best for vitreous tableware. Best for very low absorption at cone 5–6 in a manganese-free body.
  • Standard 266 Umbria: Best dark clay. Best for a deep brown body from an electric kiln.
  • Standard 551 V.P. Porcelain: Best mid-fire porcelain. Best for potters ready to throw white porcelain at cone 6.
  • AMACO White Art Clay No. 25: Best low-fire clay. Best for low-fire studios and bright earthenware glazes.

Where to buy: these moist clays are sold through ceramic suppliers and dealers, not Amazon. If you want to order clay on Amazon, we suggest Old Potters Mid-High Fire White Stoneware (10 lb, cone 6–10) after each stoneware pick.

Comparison table

Clay Best for Cone Fired color Shrinkage Absorption
Laguna B-Mix 5 (WC401) Smooth all-round throwing 5 Cream (oxidation) 12% 2.3%
AMACO Buff Stoneware No. 46 Beginners, wheel and hand-building 5–10 (best at 5) Buff at cone 5 12% at cone 5 1.8% at cone 5
Laguna Speckled Buff (WC403) Speckled, earthy pots 5 Tan/brown (oxidation) 12% 3%
AMACO White Chocolate No. 16 Low-absorption tableware 5–7 Creamy 13.9% at cone 6 0.3% at cone 6
Standard 266 Umbria Dark brown body 4–5 (5 recommended) Dark brown 12.5% at cone 5 1.0% at cone 5
Standard 551 V.P. Porcelain White porcelain 6 White 13.0% 0.3%
AMACO White Art Clay No. 25 Low-fire work 04–3 Off-white 6.3% at cone 04 13.7% at cone 04

All figures come from each maker's product page. Absorption is a measure of how much water fired clay soaks up. Lower numbers mean a denser, more vitrified body, which matters for mugs and bowls. Our stoneware vs earthenware vs porcelain guide explains why.

The best clays for pottery wheels, reviewed

Laguna B-Mix 5: best overall for throwing

Who it's for: potters firing cone 5–6 who want a smooth, responsive clay for everything from mugs to bowls.

Laguna makes B-Mix for cone 06, cone 5 and cone 10. The cone 5 version (WC401) is the one that fits most home electric kilns. Laguna says it shares the characteristics of its cone 10 B-Mix, with a smooth, porcelain texture that it calls "a pleasure to throw and form." It fires cream in oxidation. Laguna lists 12% shrinkage and 2.3% water absorption at cone 5, and it lists throwing and tableware among the intended uses.

The smooth texture is the reason to buy it and the one thing to know going in. Smooth clays feel wonderful on the wheel but can be less forgiving on very tall, thin walls than a clay with some grog. Laguna also makes B-Mix 5 with speckles (WC408), with the same working properties. For that version, Laguna advises slow drying and good compression on rims and bottoms to avoid cracks, and says not to fire it past cone 5.

Pros

  • Smooth, porcelain-like feel that's easy on hands
  • Cone 5 fits most electric kilns
  • Cream fired color works under most glazes
  • Speckled version available

Cons

  • Smooth bodies can slump on very tall forms
  • Laguna's direct orders have a 50 lb minimum
  • Absorption is higher than the most vitreous clays here

Where to buy: this moist clay is sold through Laguna and its dealers, not on Amazon. Amazon-available alternative: Old Potters Mid-High Fire White Stoneware, sold in 10 lb packs and listed as cone 6–10 clay for wheel throwing and hand-building. The listing doesn't publish shrinkage or absorption figures, so fire test tiles before you commit to a batch.

AMACO Buff Stoneware No. 46: best for beginners

Who it's for: new potters who want one clay for wheel, slab and pinch work that fires dense at cone 5.

AMACO describes No. 46 as excellent for durable dishes, planters and other functional ware, and lists it for slab, pinch, coil, sculpture and wheel throwing. The fired bisque is "very dense and semi-vitreous," buff at cone 5 and soft gray at cone 10. AMACO rates it cone 5–10 with best results at cone 5, and publishes 1.8% absorption and 12% shrinkage at cone 5. At cone 10, it lists 0% absorption.

That wide range is useful for beginners. Whether your studio fires cone 5, 6 or 10, this clay works. AMACO also notes it can be bisque fired to cone 04 for a porous bisque that takes high-fire glazes easily. The moist clay carries AMACO's AP seal.

Pros

  • Works for wheel throwing and every hand-building method
  • Low absorption at cone 5 for a stoneware
  • Rated from cone 5 to cone 10
  • AP seal in moist form

Cons

  • Buff color shifts glaze colors warmer than a white clay
  • Not as silky as B-Mix for fine detail
  • AMACO's dry form carries a caution label, so mix dry clay carefully

Where to buy: this moist clay is sold through AMACO's ceramic dealers, not on Amazon. Amazon-available alternative: Old Potters Mid-High Fire White Stoneware, sold in 10 lb packs and listed as cone 6–10 clay for wheel throwing and hand-building. The listing doesn't publish shrinkage or absorption figures, so fire test tiles before you commit to a batch.

Laguna Speckled Buff: best speckled clay

Who it's for: potters who like warm, "handmade" pots with iron speckles showing through clear or light glazes.

Speckled Buff (WC403) is a cone 5 stoneware that Laguna says is low in sand and grog, smooth-textured, and "an excellent throwing body." In oxidation it fires in the tan-to-brown range, which Laguna describes as a desert or Southwest palette. Laguna lists 12% shrinkage and 3% absorption, and it lists large, medium and small throwing plus tableware among its uses.

Speckled clays do half the decorating for you. Under a clear, a satin white or a light celadon, the specks bleed through and give a pot depth with a single glaze. That makes this a good pairing with simple glaze setups. See our glazes for pottery guide.

Pros

  • Smooth for a speckled body
  • Laguna lists it for large throwing
  • Speckles add interest under simple glazes
  • Cone 5

Cons

  • Tan-brown body darkens bright glaze colors
  • 3% absorption is the highest of the mid-fire clays here
  • 50 lb minimum on Laguna direct orders

Where to buy: this moist clay is sold through Laguna and its dealers, not on Amazon. Amazon-available alternative: Old Potters Mid-High Fire White Stoneware, sold in 10 lb packs and listed as cone 6–10 clay for wheel throwing and hand-building. The listing doesn't publish shrinkage or absorption figures, so fire test tiles before you commit to a batch. It's a plain white body, so you won't get Speckled Buff's speckle.

AMACO White Chocolate No. 16: best for vitreous tableware

Who it's for: potters making mugs, bowls and plates who want the lowest absorption possible at cone 5–6, in a manganese-free body.

White Chocolate No. 16 belongs to AMACO's Premium Mid-Range line, which AMACO rates from cone 5 to cone 7 and markets as manganese-free. AMACO describes it as a smooth, pliable, creamy-toned stoneware. Its numbers are impressive: 0.5% absorption at cone 5 and 0.3% at cone 6, with 13.5% and 13.9% shrinkage. That's porcelain-level density in a stoneware.

AMACO also calls it thixotropic. It stiffens when left alone and softens when wedged or worked, so give it a good wedge before throwing. It comes in 20 lb boxes of individually wrapped 5 lb blocks, which is handy if you don't throw every day. AMACO also makes Milk Chocolate No. 30 and Dark Chocolate No. 32 in the same line.

Pros

  • Very low absorption at cone 5 and 6
  • Manganese-free, per AMACO
  • 5 lb blocks stay fresh
  • Darker siblings in the same line

Cons

  • Higher shrinkage than most clays here, so size pieces generously
  • Thixotropic, so it needs wedging to loosen up
  • Smaller 20 lb boxes cost more per pound than bulk

Where to buy: this moist clay is sold through AMACO's ceramic dealers, not on Amazon. Amazon-available alternative: Old Potters Mid-High Fire White Stoneware, sold in 10 lb packs and listed as cone 6–10 clay for wheel throwing and hand-building. The listing doesn't publish shrinkage or absorption figures, so fire test tiles before you commit to a batch. AMACO's low 0.3% absorption figure for White Chocolate doesn't carry over to an untested clay.

Standard 266 Umbria: best dark clay

Who it's for: potters who love dark, rich clay bodies and fire in an electric kiln.

Standard says its 266 Umbria gives "a reduction-like dark brown color in an electric kiln." It's smooth and plastic and works for all techniques. Standard rates it cone 4–5 and recommends cone 5, where it lists 12.5% shrinkage and 1.0% absorption.

Two notes. First, Standard says it contains manganese. Manganese clays are popular for their color, but kiln fumes should always be vented outside (L&L Kilns says so in its venting guidance), and some potters prefer manganese-free bodies. Second, don't push it to cone 6 without testing, since Standard's rating tops out at cone 5. If you want a brown without manganese, Standard's 225 Brown is rated cone 4–6.

Pros

  • Dark brown color from an electric kiln
  • Smooth and plastic for throwing
  • 1.0% absorption at cone 5

Cons

  • Contains manganese
  • Rated only up to cone 5
  • Dark body changes how glazes look

Where to buy: this moist clay is sold through Standard Clay's dealers, not on Amazon. Amazon-available alternative: Old Potters Mid-High Fire White Stoneware, sold in 10 lb packs and listed as cone 6–10 clay for wheel throwing and hand-building. The listing doesn't publish shrinkage or absorption figures, so fire test tiles before you commit to a batch. It fires white, not dark brown, so it replaces Umbria's working range but not its color.

Standard 551 V.P. Porcelain: best mid-fire porcelain

Who it's for: potters who already center confidently and want white, dense porcelain at cone 6.

Porcelain is famously less forgiving on the wheel. It's soft, it slumps, and it shows every fingerprint. Standard's 551 V.P. ("very plastic") is meant to make it easier. Standard calls it a very plastic white porcelain that is good for throwing, and says it contains no ball clay. At cone 6, it lists 13.0% shrinkage and 0.3% absorption.

If you've never thrown porcelain, take a bag for a test drive before buying in bulk. Keep your hands wetter than usual but use less water inside the pot, and compress rims and bottoms well.

Pros

  • Very plastic for a porcelain
  • White body makes glaze colors bright
  • 0.3% absorption at cone 6

Cons

  • Less forgiving than stoneware for beginners
  • Higher shrinkage than stoneware
  • Shows every mark and fingerprint

Where to buy: Standard Clay sells its clays through ceramic dealers, not on Amazon. We found no mid-fire porcelain on Amazon whose specs we could verify, so buy this one from a Standard dealer.

AMACO White Art Clay No. 25: best low-fire clay

Who it's for: potters whose studio or school fires low-fire, and anyone who wants bright low-fire glaze colors.

AMACO calls White Art Clay "extremely plastic" and lists it for wheel throwing, hand-building and modeling. It fires off-white, so glazes and underglazes keep their true color. AMACO rates it from cone 04 to cone 3 and recommends glazes that mature at cone 05. It also says the clay resists crazing thanks to low moisture expansion. At cone 04, AMACO lists 6.3% shrinkage and 13.7% absorption.

That absorption figure is the trade-off of all low-fire clay. It stays porous, so functional pieces depend on a good glaze. Pair it with a low-fire glaze line such as AMACO Teacher's Palette. Read our bisque firing guide for low-fire schedules.

Pros

  • Very plastic and easy to throw
  • Off-white keeps glaze colors true
  • Low shrinkage
  • Resists crazing, per AMACO

Cons

  • Porous at low fire
  • Not suitable for mid-fire glazes at cone 6
  • Less durable than stoneware for everyday dishes
Best Low-Fire Clay

AMACO White Art Clay No. 25

by AMACO

Check price on Amazon

Where to buy pottery clay

Moist clay is heavy, and shipping is often the biggest part of the price. Here's where to look, roughly from cheapest to most convenient.

1. A local ceramic supplier

If there's a ceramic supply store within driving distance, start there. You skip shipping entirely, you can buy a single box to try, and staff can tell you which clays local studios fire successfully. Many also sell glaze, tools and kiln supplies, and some offer firing services.

2. Your community studio

Many studios sell clay to members, often the same body their kilns are set up for. That removes the "does this clay match the kiln?" question completely.

3. Manufacturer dealers and online ceramic retailers

Laguna, AMACO and Standard sell through dealer networks. Laguna's own site lists a 50 lb minimum and a 250 lb maximum per clay order. Online ceramic retailers stock many brands and ship nationwide, but expect freight or heavy parcel costs.

4. Amazon and art supply stores

Pottery clay for sale on Amazon and at art supply chains usually comes in smaller boxes. It costs more per pound, but it's convenient for trying a clay, topping up between supplier trips, or if no supplier is nearby. Check the cone rating and the box weight before you buy.

Tips for buying clay

  • Confirm the cone with whoever fires your work. It's the first and most important question.
  • Buy two clays and compare. Throw a few pots with each before committing to bulk.
  • Check the freight cost before the clay cost. Two cheap boxes can cost more delivered than one box from a local store.
  • Store it sealed and frost-free. Freezing and drying both change how clay throws.
  • Reclaim your scraps. Trimmings and failed pots can be soaked, dried and rewedged.

Buying guide: how to choose clay for the wheel

Firing range first

Clay labeled cone 5 or cone 6 is mid-fire stoneware, the most common choice for home electric kilns. Cone 04–06 bodies are low-fire earthenware. Cone 10 bodies are high-fire stoneware and porcelain. Some clays span ranges, such as AMACO No. 46 at cone 5–10. Never fire a clay above its maker's rating without testing. Laguna, for example, warns against firing its speckled B-Mix 5 past cone 5.

Absorption: lower is better for functional ware

Absorption tells you how dense the fired clay is. Mugs and bowls benefit from low absorption, because they hold liquid. Among the clays above, AMACO's White Chocolate (0.3% at cone 6) and Standard's 551 porcelain (0.3%) are the densest, while low-fire White Art Clay is 13.7% at cone 04.

Texture: smooth vs grogged

Smooth clays (B-Mix 5, Speckled Buff) are easy on the hands and great for small and medium pots. Clays with grog, which is pre-fired clay ground into sand, hold up better for tall or large forms and dry with less cracking, but they can feel abrasive while throwing. Most beginners do best starting smooth.

Color

White and cream bodies keep glaze colors bright and true. Buff and speckled bodies warm glazes up and add character. Dark bodies (Umbria) make glazes moodier and look striking left bare. Fire test tiles of your favorite glazes on any clay you're considering. See our glazes for pottery guide.

Shrinkage

All clay shrinks as it dries and fires. The makers above list 12–14% for mid-fire stoneware and porcelain, and much less for low-fire clay (6.3% for White Art Clay at cone 04). If you need a mug to hold a specific amount, throw it larger by roughly the shrinkage percentage.

Pottery wheel and clay bundles

Some beginner wheel kits include a small amount of clay, often air-dry or low-fire clay. That's fine for trying the wheel, but for real pots you'll want a proper throwing body matched to your firing. See our pottery wheel for beginners guide for wheels, and wheel throwing for beginners for technique. Working without a studio? Our guide to making pottery at home covers firing options.

How we chose

We didn't throw these clays ourselves. We built this list from the clay makers' own published data (Laguna, AMACO and Standard), including cone ratings, shrinkage, absorption and intended uses, along with the recurring preferences of studio potters. We focused on clays the makers specifically describe as good for throwing, covered every firing range a home potter might use, and listed only figures the manufacturers publish.

FAQ

Where can I buy pottery clay?

From a local ceramic supply store, a manufacturer's dealer, a large online ceramic retailer, an art supply store, or Amazon. Moist clay is heavy, so a local supplier usually saves the most on shipping. Community studios often sell clay to members too.

What clay is best for a beginner on the pottery wheel?

A smooth, plastic mid-fire stoneware rated for the cone your kiln fires, usually cone 5 or 6. Laguna B-Mix 5 and AMACO Buff Stoneware No. 46 are both made for wheel throwing. Avoid heavily grogged sculpture clays at first, because they are rough on your hands.

How much clay do I need to start?

A single box is enough to learn centering, but beginners use more than they expect because many early pots get recycled. Buying two different clays in smaller quantities lets you compare how they throw before you buy in bulk.

Can I use air-dry clay on a pottery wheel?

You can practice the motions with it, but it doesn't behave like real pottery clay on the wheel and it is never waterproof or food safe. For pots you plan to use, buy kiln-fired clay and arrange firing.

Does pottery clay go bad?

Moist clay that is kept sealed in its bag stays usable for a long time, though it may stiffen. Dried-out clay can be reclaimed by soaking it and drying it back to a workable consistency. Keep bags sealed and out of freezing temperatures.

Verdict

For most potters with a cone 5–6 kiln, Laguna B-Mix 5 is the clay to start with: smooth, responsive and cream-firing. If you want something denser and more versatile across firing ranges, AMACO Buff Stoneware No. 46 is the beginner's workhorse, and AMACO White Chocolate No. 16 is the pick for low-absorption tableware. Buy from a local supplier when you can, and always match the clay to the cone your kiln fires.