For grind size questions
The Best Grind Size for Cold Brew
The right grind size for cold brew, how to dial it in, and the brewers most tolerant of grind variation.
The short answer
Use a coarse grind for cold brew, about the texture of coarse sea salt or raw sugar. Grind finer and a 12 to 24 hour steep turns bitter; grind coarser and extraction runs weak. The Toddy Cold Brew System tolerates the widest grind range thanks to felt filtration, while the OXO Brew Cold Brew Coffee Maker is the best brewer for dialing in a precise coarse grind.
Top picks at a glance
The picks, ranked
| Product | Brew method | Filter | Steep time | Vessels | Origin |
|---|---|---|---|---|---|
| Toddy Cold Brew System | Immersion | Reusable felt filters (paper bags optional) | 12 to 24 hours | Brewing container plus glass decanter with lid | Original cold brew system, in production since 1964 |
| OXO Brew Cold Brew Coffee Maker | Immersion | Reusable ultra-fine stainless steel mesh | 12 to 24 hours | - | - |
| Bodum Cold Brew Coffee Maker | Immersion | Stainless steel plunger-style | 12 to 24 hours | - | - |
| County Line Kitchen Cold Brew Coffee Maker | Immersion | Reusable stainless steel mesh basket | 12 to 24 hours | - | - |
Swipe sideways to compare all picks
01Most tolerant of grind variation
Toddy Cold Brew System
The original since 1964, built around reusable felt filters and big batches.
- Brew method: Immersion
- Filter: Reusable felt filters (paper bags optional)
- Steep time: 12 to 24 hours
Felt filtration is the great equalizer: the Toddy produces a clean cup across a wider range of grind sizes than any mesh brewer here, so beginners still learning their grinder get good results sooner.
Strengths
- Reusable felt filters produce a noticeably sediment-free, heavy-bodied concentrate
- Large batch yield covers several days of drinking from one steep
- Simple two-vessel design with few parts to clean
- Paper filter bags also available for near-zero cleanup
Limitations
- Felt filters need rinsing and air-drying after each use to avoid mildew
- Bulky two-piece setup takes real counter and fridge space
- Replacement felt filters are an ongoing cost
| Brew method | Immersion |
|---|---|
| Filter | Reusable felt filters (paper bags optional) |
| Steep time | 12 to 24 hours |
| Vessels | Brewing container plus glass decanter with lid |
| Origin | Original cold brew system, in production since 1964 |
Sources: Toddy official product specifications, Major retailer product listings, Published coffee gear reviews
What owners report
- Owners praise the reusable felt filters for a noticeably sediment-free, heavy-bodied concentrate
- Many owners like the large batch yield covering several days of drinking from one steep
- Owners say the simple two-vessel design leaves few parts to clean
- Some owners find the felt filters need rinsing and air-drying after each use to avoid mildew
- Owners note the bulky two-piece setup takes real counter and fridge space
- A common complaint is replacement felt filters being an ongoing cost
Best for: Households that drink cold brew daily and want large, heavy-bodied batches with minimal sediment.
Skip if: You want a quick single pitcher; the Toddy is a batch system with more parts to manage.
02Best for dialing in coarse
OXO Brew Cold Brew Coffee Maker
The most engineered immersion brewer, with a rainmaker lid for even saturation.
- Brew method: Immersion
- Filter: Reusable ultra-fine stainless steel mesh
- Distribution: Rainmaker shower-head lid
The OXO's ultra-fine mesh plus rainmaker lid make it the best brewer for learning what a proper coarse grind tastes like: even saturation means grind changes show up clearly in the cup instead of hiding behind channeling.
Strengths
- Rainmaker shower-head lid distributes water evenly over the grounds for consistent saturation
- Reusable ultra-fine stainless steel mesh filter means no ongoing filter purchases
- Glass carafe with measurement markings makes diluting concentrate to taste simple
- Auto-drain feature separates grounds from concentrate without lifting a heavy filter
Limitations
- Modest batch size suits one or two daily drinkers, not households
- Tall profile takes meaningful fridge shelf height
- Plastic brew chamber can hold coffee oils and needs regular washing
| Brew method | Immersion |
|---|---|
| Filter | Reusable ultra-fine stainless steel mesh |
| Distribution | Rainmaker shower-head lid |
| Steep time | 12 to 24 hours |
| Carafe | Glass with measurement markings |
Sources: OXO official product specifications, Major retailer product listings, Published coffee gear reviews
What owners report
- Owners praise the Rainmaker shower-head lid distributing water evenly over the grounds for consistent saturation
- Many owners like the reusable ultra-fine stainless steel mesh filter ending ongoing filter purchases
- Owners say the measurement markings on the glass carafe make diluting concentrate to taste simple
- Some owners find the modest batch size suits one or two daily drinkers, not households
- Owners note the tall profile takes meaningful fridge shelf height
- A common complaint is the plastic brew chamber holding coffee oils and needing regular washing
Best for: Cold brew drinkers who want an even extraction and the cleanest filter design in the class.
Skip if: You brew more than a liter at a time; the compact batch size will have you brewing twice a week.
03Best for extra-coarse grinds
Bodum Cold Brew Coffee Maker
A 1.5-liter glass brewer with a plunger-style stainless filter for big, simple batches.
- Brew method: Immersion
- Capacity: 1.5 liters (51 oz)
- Material: Borosilicate glass
The Bodum's plunger-style stainless filter has the coarsest filtration here, so it pairs naturally with extra-coarse grinds and still drains freely. Go coarse and long with this one.
Strengths
- 1.5-liter borosilicate glass capacity is the largest glass batch here
- Stainless steel plunger-style filter is simple and durable
- Straightforward two-part design with minimal cleanup
- Very affordable for the capacity
Limitations
- Plunger filter is coarser than mesh baskets, so sediment is likely
- Large glass vessel is heavy when full and needs fridge space
- No measurement markings for dilution
| Brew method | Immersion |
|---|---|
| Capacity | 1.5 liters (51 oz) |
| Material | Borosilicate glass |
| Filter | Stainless steel plunger-style |
| Steep time | 12 to 24 hours |
Sources: Bodum official product specifications, Major retailer product listings, Published coffee gear reviews
What owners report
- Owners praise the 1.5-liter borosilicate glass capacity as the largest glass batch here
- Many owners like the stainless steel plunger-style filter being simple and durable
- Owners say it is very affordable for the capacity it offers
- Some owners find the plunger filter coarser than mesh baskets, so sediment is likely
- Owners note the large glass vessel is heavy when full and needs fridge space
- A common complaint is no measurement markings for dilution
Best for: Budget brewers who want the biggest glass batch for the least money.
Skip if: You want sediment-free cups; the plunger filter is coarse compared with felt.
04Best for experimenting cheaply
County Line Kitchen Cold Brew Coffee Maker
A stainless filter basket in a mason jar, the cheapest path to good cold brew.
- Brew method: Immersion
- Design: Wide-mouth mason jar with stainless filter basket
- Filter: Reusable stainless steel mesh basket
At the lowest price here, the County Line Kitchen basket is the cheap way to test grind sizes: brew small batches in 1-quart jars, adjust coarser or finer, and find your sweet spot before committing to a pricier brewer.
Strengths
- Stainless steel filter basket fits standard wide-mouth mason jars, so batch size scales with your jars
- Reusable filter means zero ongoing filter cost
- Very low price for a complete system
- Simple parts, easy to clean and replace
Limitations
- Mason jar aesthetic is not for everyone
- No lid-integrated pouring; you remove the basket to serve
- Filter basket sizing varies, so check jar compatibility
| Brew method | Immersion |
|---|---|
| Design | Wide-mouth mason jar with stainless filter basket |
| Filter | Reusable stainless steel mesh basket |
| Sizes | 1-quart and 2-quart options |
| Steep time | 12 to 24 hours |
Sources: County Line Kitchen official product specifications, Major retailer product listings, Published coffee gear reviews
What owners report
- Owners praise the stainless steel filter basket fitting standard wide-mouth mason jars, so batch size scales with your jars
- Many owners like the reusable filter meaning zero ongoing filter cost
- Owners say it is a very low price for a complete system
- Some owners feel the mason jar aesthetic is not for everyone
- Owners note there is no lid-integrated pouring, so you remove the basket to serve
- A common complaint is filter basket sizing varying, so jar compatibility needs checking
Best for: Budget brewers who like the mason jar system and want to scale batches by swapping jars.
Skip if: You want a polished all-in-one; this is deliberately simple jar-and-basket hardware.
Questions, answered
What does the right cold brew grind look like?
Like coarse sea salt or raw sugar: distinct particles, no powder. If the grounds look like table salt or finer, go coarser. If they look like peppercorns, you have gone too far.
How do grind size and steep time interact?
Finer grinds extract faster, so shorten the steep toward 12 hours; coarser grinds extract slower, so extend toward 24 hours. Change one variable at a time when dialing in.
Can grind size fix bitter cold brew?
Often, yes: bitterness in cold brew usually means over-extraction from too-fine a grind or too long a steep. Go one step coarser and retest. Our cold brew troubleshooting guide walks through the full diagnosis.
Does grind size matter for the Cuisinart DCB-10?
Less so: its 25 to 45 minute agitated cycle is short enough that a medium-coarse grind works fine, unlike the 12 to 24 hour passive brewers where coarse is mandatory.