10 Best Baking Soda Without Aluminum (November 2026)

The usual mistakes with baking soda are mixing it up with baking powder, buying a size that does not match how fast you use it, or choosing a bag that clumps or leaks in the pantry. Plain baking soda is sodium bicarbonate, and the aluminum concern mostly belongs to baking powder, where some formulas add aluminum-based acids. Even so, a metallic aftertaste in muffins or a gritty, caked texture in the container sends people looking for a cleaner product. The Best Baking Soda Without Aluminum depends on three things: how pure and additive-free the product is, how much you actually use, and whether the packaging keeps moisture out.

The short answer: the Arm & Hammer Baking Soda 1 lb suits most kitchens that want a familiar 16 oz box, the Arm & Hammer Baking Soda 2.7 lb suits households that clean with baking soda as often as they bake, and the Arm & Hammer Baking Soda 12-Pack suits anyone stocking a home, workplace or pool supply shelf. The rest of the list covers store-brand, gluten-free tested, shaker-lid, lab-tested and bulk bucket options, so you can match the size and purity claims to your own use.

TL;DR: top picks at a glance

• Best overall: the Arm & Hammer Baking Soda 1 lb, a 16 oz box that covers baking, cleaning and odor control in one familiar format.
• Best for heavy cleaning and baking: Arm & Hammer Baking Soda 2.7 lb, a resealable 43.2 oz bag with USP grade 1 crystals and no additives, cornstarch or fragrance.
• Best for stocking up: Arm & Hammer Baking Soda 12-Pack, twelve 16 oz boxes (192 oz in total) for homes, workplaces and pools.
• Best for gluten-free baking: Bob's Red Mill Baking Soda 4-Pack, batch tested for gluten and packaged in a separate gluten-free facility.

Best Baking Soda Without Aluminum Comparison (November 2026)

#	Product	Best for	Size	Pack	Weight
1	Arm & Hammer Baking Soda 1 lb	Everyday baking	16 oz	1	1.08 lb
2	Arm & Hammer Baking Soda 2.7 lb	Heavy cleaning	43.2 oz	1	2.7 lb
3	Arm & Hammer Baking Soda 12-Pack	Bulk stocking	16 oz	12	13.46 lb
4	365 by Whole Foods Market Baking Soda	Store-brand staple	16 oz	1	1.055 lb
5	Bob's Red Mill Baking Soda 4-Pack	Gluten-free baking	16 oz	4	4 lb
6	Clabber Girl Baking Soda 12 oz	Shaker-lid convenience	12 oz	1	0.75 lb
7	Pure Original Ingredients Baking Soda	Additive-free use	16 oz	1	1 lb
8	It's Just Baking Soda 1.25 lb	Lab-tested purity	20 oz	1	1.25 lb
9	Relative Foods Baking Soda 5 lb	Bulk bucket supply	80 oz	1	5 lb
10	Arm & Hammer Baking Soda 8 oz 2-Pack	Occasional bakers	8 oz	2	1.04 lb

1. Arm & Hammer Baking Soda 1 lb: Best Classic 16 oz Box Baking Soda for Everyday Baking

• Size: 16 oz (Pack of 1)
• Weight: 1.08 lb
• Box Dimensions: 4.625 x 3.563 x 2 inches
• Intended Uses: Baking, cleaning and deodorizing
• Aluminum Content: Not specified

Pros:

• The 16 oz box is the standard size most recipes and pantry shelves are built around, at 4.625 inches tall.
• It is sold for baking, cleaning and odor control, so one box covers a fridge deodorizer and a batch of cookies.
• It is described as free of harsh chemicals and gentle enough for many surfaces, which suits light household cleaning.
• Its odor absorption and all-round versatility are the qualities most often praised.

Cons:

• Opinion on value is split, with some buyers finding it excellent and others finding it only fair.
• One pound disappears quickly if you use baking soda for laundry or drains as well as baking.
• The product does not state anything about aluminum, so the case for it rests on it being plain sodium bicarbonate.

Best for: A home baker who wants one familiar box for recipes, the fridge and the occasional sink scrub.

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The Arm & Hammer Baking Soda 1 lb earns the top spot by being the safe middle: 16 oz, about 1.08 lb, and a design that has been the reference for baking soda for more than 170 years. It does not claim anything unusual. It is a straightforward baking and cleaning staple, and the feedback reflects that, with versatility, cleaning performance and odor absorption the recurring strengths.

Where it stops being the right choice is at the extremes. If you clean with baking soda by the cupful, the Arm & Hammer Baking Soda 2.7 lb gives you more than two and a half times the volume in a resealable bag. If you bake for someone with a gluten sensitivity, the Bob's Red Mill Baking Soda 4-Pack is the better fit because of its gluten testing.

Buyers who find themselves reordering this box every few weeks should consider the Arm & Hammer Baking Soda 12-Pack, which uses the same boxes in a case. That is usually the cheaper route to the same product, since the value complaints tend to come from single-box buyers.

2. Arm & Hammer Baking Soda 2.7 lb: Best Resealable 43.2 oz Bag Baking Soda for Heavy Cleaning and Baking

• Size: 43.2 oz (Pack of 1)
• Weight: 2.7 lb
• Package: Resealable bag, 9.75 x 6.75 x 3 inches
• Grade: USP grade 1 crystals
• Made In: Green River, Wyoming, USA

Pros:

• The 43.2 oz bag holds nearly three times the contents of the standard box, which suits households that use it weekly.
• It is made with no additives or chemicals, no cornstarch and no fragrance, which keeps the ingredient list as short as it gets.
• USP grade 1 food-grade crystals are positioned for gluten-free, kosher, vegan, paleo-friendly and organic baking recipes.
• The product is positioned as safe around kids and pets, which matters for carpet, litter-box and play-area uses.

Cons:

• The bag format has no shaker lid, so measuring out small amounts means a spoon.
• At 2.7 lb it is more than an occasional baker will finish while the product is still fresh.
• It does not carry a specific gluten-free testing claim like the Bob's Red Mill option does.

Best for: A household that bakes regularly and also uses baking soda for laundry, carpets and drains.

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The Arm & Hammer Baking Soda 2.7 lb is the same brand as the top pick in a format built for volume. The clearest differences are the resealable bag and the explicit ingredient statement: no cornstarch, no fragrance, no additives. For anyone worried about what else is in the container, that is the most direct reassurance among the Arm & Hammer entries.

It also leans harder into food-grade positioning than the 1 lb box does, with USP grade 1 crystals and a pitch aimed at fluffier cakes, muffins and breads. That makes it a reasonable all-in-one choice for a kitchen and laundry room alike.

It is the wrong choice for someone who bakes a few times a year, because the bag outlasts its usefulness. That buyer is better served by the Arm & Hammer Baking Soda 8 oz 2-Pack or the Clabber Girl Baking Soda 12 oz. Buyers who want an even larger, container-style supply should look at the Relative Foods Baking Soda 5 lb.

3. Arm & Hammer Baking Soda 12-Pack: Best 12-Box Case of Baking Soda for Stocking Up

• Size: 16 oz per box (Pack of 12)
• Total Weight: 13.46 lb
• Composition: 100% pure sodium bicarbonate powder
• Case Dimensions: 12.875 x 7.75 x 5 inches
• Made In: Green River, Wyoming, USA

Pros:

• Twelve sealed 16 oz boxes mean you open one at a time and keep the rest dry.
• The bulk case is described as grab-and-go, which suits workplaces, rentals and shared households.
• Buyers report good value at this quantity, and use it effectively as a pool clarifier and for stains and odors.
• The boxes are identical to the single-box top pick, so there is no change in product or habits.

Cons:

• Several buyers report hard clumps in some boxes.
• At 13.46 lb the case is heavy to move and needs real shelf space.
• It is far more baking soda than a typical home uses without pool, laundry or workplace needs.

Best for: A pool owner, landlord or large household that goes through baking soda by the box every month.

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The Arm & Hammer Baking Soda 12-Pack is the same sodium bicarbonate as the Arm & Hammer Baking Soda 1 lb, repackaged as a case of twelve. What sets it apart is the sealed-box rotation: you only open one at a time, which beats a single large bag for keeping moisture out of the supply you are not using yet.

Pool owners are the audience that benefits most, since baking soda is a common way to raise alkalinity. Anyone fighting a green pool will probably also want an above ground pool vacuum for algae, and a bulk case keeps the chemical side of the job stocked. The main caution is clumping, which a minority of buyers report, so check boxes on arrival and store the case somewhere dry.

It is the wrong choice for a single-person kitchen. A cook who bakes occasionally is better off with the Arm & Hammer Baking Soda 8 oz 2-Pack, and a household that wants a large single container is better off with the Relative Foods Baking Soda 5 lb.

4. 365 by Whole Foods Market Baking Soda: Best Store-Brand 16 oz Baking Soda for Light Kitchen Use

• Size: 16 oz (Pack of 1)
• Weight: 1.055 lb
• Box Dimensions: 4.65 x 3.65 x 2.05 inches
• Ingredient Claim: No artificial ingredients
• Aluminum Content: Not specified

Pros:

• It is a plain 16 oz package at 1.055 lb, the same practical size as the Arm & Hammer box.
• It carries a no artificial ingredients claim, which is a short, simple promise.
• Buyers rate its value highly and use it for cleaning, odor removal and keeping things fresh.
• It is pitched for both baking and cleaning, so it works in the same roles as the top pick.

Cons:

• Some buyers report that it is very clumpy.
• Leakage in transit is a recurring complaint.
• The product information is thin, with no certification or testing claims beyond the ingredients statement.

Best for: A shopper who prefers a store-brand pantry staple and mainly uses baking soda for cleaning and freshening.

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The 365 by Whole Foods Market Baking Soda competes directly with the Arm & Hammer Baking Soda 1 lb on size and use, and its pitch is simplicity: a 16 oz package, no artificial ingredients, and a general baking and cleaning role. Buyers like it for freshness and odor absorption, and they consistently rate its value well.

The weakness is physical handling. Clumping and leakage appear in the feedback, which makes it a poor fit if you want a dependable pour for baking. In that case the Clabber Girl Baking Soda 12 oz with its shaker-pour lid, or the resealable Arm & Hammer Baking Soda 2.7 lb bag, handle storage better.

5. Bob's Red Mill Baking Soda 4-Pack: Best Gluten-Free Tested 4-Pack Baking Soda for Allergy-Conscious Bakers

• Size: 16 oz per package (Pack of 4)
• Total Weight: 4 lb
• Gluten Status: Tested and confirmed gluten free
• Facility: Processed and packaged in a separate gluten-free facility
• Testing: Batch tested with an ELISA Gluten Assay

Pros:

• Every batch is gluten tested in the company's quality control laboratory, which is the strongest allergen claim in this list.
• It is processed and packaged in a separate gluten-free facility, which reduces cross-contact risk.
• It is regarded as aluminum-free with a clean taste, and buyers note the absence of an aluminum aftertaste.
• Four 16 oz packages give a year of baking for most households and keep unopened stock sealed.

Cons:

• A pack of four is more than an occasional baker needs.
• It is positioned as a baking product first, with less emphasis on cleaning uses than the Arm & Hammer options.
• The product information does not list a resealable closure or shaker lid.

Best for: A gluten-free or allergy-conscious baker who wants documented testing and a clean taste in finished bakes.

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The Bob's Red Mill Baking Soda 4-Pack is the strongest pick when gluten and taste matter most. The gluten claim is specific rather than generic: confirmed gluten free, a separate facility and batch testing with an ELISA assay. The Arm & Hammer products do not make that claim.

It is also the product most associated with a clean taste and an aluminum-free formula, and it pairs well with cream of tartar for a homemade baking powder blend. That use is why bakers who avoid commercial baking powder tend to favor it.

It is the wrong choice if you want a cleaning-first product. The Arm & Hammer Baking Soda 2.7 lb or the Relative Foods Baking Soda 5 lb give you far more material for scrubbing and deodorizing. If you only need a little for the occasional bake, a single smaller package such as the Clabber Girl Baking Soda 12 oz is less to store.

6. Clabber Girl Baking Soda 12 oz: Best Shaker-Lid 12 oz Can Baking Soda for Countertop Convenience

• Size: 12 oz (Pack of 1)
• Weight: 0.75 lb
• Container: Can with shake or pour lid
• Composition: 100% sodium bicarbonate
• Dimensions: 2.75 x 2.75 x 4 inches

Pros:

• The shake or pour lid gives controlled dispensing for both baking and cleaning.
• It is described as 100% sodium bicarbonate, with a single ingredient and nothing else.
• Buyers say a little goes a long way and that the container keeps the contents fresh.
• At 4 inches tall and 2.75 inches wide, the can sits easily in a cupboard or beside the sink.

Cons:

• Some buyers find the 12 oz size smaller than expected.
• Feedback on powder quality and shelf life is mixed, with some reports of expiration problems.
• The can holds less than any 16 oz option on this list.

Best for: A baker who wants a small, dispensing-friendly can and mostly uses baking soda in recipes.

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The Clabber Girl Baking Soda 12 oz differs from the box and bag options in its container. A rigid can with a shake or pour lid is easier to use than the cardboard box of the Arm & Hammer Baking Soda 1 lb, and it is less likely to leak than the 365 by Whole Foods Market Baking Soda. It is also sold as 100% sodium bicarbonate, a clean statement of purity.

The 12 oz size suits small-batch cooking. Recipes that use only a pinch of leavener, such as batter for a chaffle maker, will keep a can like this going for a long time. It is the wrong choice for heavy cleaning, where a 12 oz can drains quickly, and the Arm & Hammer Baking Soda 2.7 lb is a better fit there.

7. Pure Original Ingredients Baking Soda: Best Additive-Free 16 oz Bag Baking Soda for Personal Care and Baking

• Size: 16 oz (Pack of 1)
• Weight: 1 lb
• Composition: Sodium bicarbonate (NaHCO3), no additives
• Intended Uses: Cooking, baking, cleaning and more
• Dimensions: Not listed

Pros:

• It is sold as pure sodium bicarbonate with no additives, a short and clear ingredient statement.
• Buyers describe it as aluminum-free, organic and natural in character.
• Its taste is described as clean, without a metal or fabric softener flavor.
• It is versatile across baking, cleaning and personal care, making it a flexible single purchase.

Cons:

• Buyers disagree on size, with some finding the bag very small.
• Opening and closing the bag is a common complaint, which hurts long-term storage.
• Value for money gets mixed reactions, and the product has no dimensions listed.

Best for: A buyer who wants an additive-free baking soda for baking and personal care and values a clean taste.

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The Pure Original Ingredients Baking Soda is sold on purity: sodium bicarbonate (NaHCO3) with no additives. Its appeal over the 365 by Whole Foods Market Baking Soda is the clear aluminum-free and natural framing, and its taste feedback is consistently clean.

The bag is its weak point. Complaints about opening and closing it properly matter for a product that has to stay dry. If storage is a concern, the Clabber Girl Baking Soda 12 oz can or the resealable Arm & Hammer Baking Soda 2.7 lb bag is the better choice. For a lab-tested alternative with a similar purity pitch, see the It's Just Baking Soda 1.25 lb.

8. It's Just Baking Soda 1.25 lb: Best Lab-Tested 1.25 lb Baking Soda for Purity-Focused Buyers

• Size: 20 oz (Pack of 1)
• Weight: 1.25 lb
• Grade: Food grade, non-GMO sodium bicarbonate
• Testing: Every batch tested by an independent laboratory, with results published online
• Made In: Packaged in California in a GMP-compliant facility

Pros:

• Independent third-party testing of every batch, with results published online, is the most transparent purity claim on this list.
• Buyers describe it as aluminum-free, with no fillers or heavy metals, and a clean taste.
• At 20 oz it gives a quarter more than the standard 16 oz box.
• It is non-GMO and sold for baking, cleaning and deodorizing, covering the full range of household jobs.

Cons:

• Opinion on size is split, with some buyers finding it smaller than expected.
• It is a bag rather than a rigid can, with no shaker or pour feature.
• It offers fewer sizes in this list than the Arm & Hammer range, so scaling up is not an option.

Best for: A buyer who wants published purity results and does not mind a bag format.

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The It's Just Baking Soda 1.25 lb is the choice for people who want proof of purity. Independent batch testing with online results goes further than the Pure Original Ingredients Baking Soda, which makes its claims without the same documentation. Buyers highlight the absence of fillers and heavy metals and the clean taste.

It is not the best pick for a heavy user. At 20 oz it is only modestly larger than a standard box, and for cleaning or bulk use the Relative Foods Baking Soda 5 lb gives four times the volume. For gluten-specific testing, the Bob's Red Mill Baking Soda 4-Pack is the better match.

9. Relative Foods Baking Soda 5 lb: Best 5 lb Bucket Baking Soda for Bulk Baking and Household Use

• Size: 80 oz (Pack of 1)
• Weight: 5 lb
• Composition: Pure sodium bicarbonate, no preservatives or added ingredients
• Certification: Kosher certified, gluten-free
• Texture: Unscented and free-flowing

Pros:

• At 80 oz it is the largest single container on this list, with a single purchase covering months of heavy use.
• It has no additives or preservatives and is unscented and free-flowing.
• It is kosher certified and sold as gluten-free.
• Buyers describe it as aluminum-free, easy to use, and a good value, and they like the bucket it arrives in.

Cons:

• Five pounds is too much for a light baker, and freshness depends on keeping the lid sealed.
• Specifications are sparse, with only weight and size available, so dimensions are not listed.
• It is not designed for portioning, with no shaker or pour spout.

Best for: A heavy user who bakes, cleans and makes homemade products such as toothpaste and bath bombs.

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The Relative Foods Baking Soda 5 lb is the bulk option for people who want one large container rather than a case of boxes. It is sold as pure sodium bicarbonate with no preservatives or added ingredients, and buyers consistently note that it is aluminum-free, easy to use and good value for the quantity.

Compared with the Arm & Hammer Baking Soda 12-Pack, it trades individually sealed boxes for a single bucket, which is simpler to store but exposes all of the product each time you open it. Light bakers should choose a smaller option such as the Arm & Hammer Baking Soda 8 oz 2-Pack to avoid waste.

10. Arm & Hammer Baking Soda 8 oz 2-Pack: Best Small-Box Baking Soda for Occasional Bakers

• Size: 8 oz per box (Pack of 2)
• Total Weight: 1.04 lb
• Box Dimensions: About 4.6 x 3.6 x 2 inches
• Intended Uses: Baking, cleaning and deodorizing
• Aluminum Content: Not specified

Pros:

• The 2 x 8 oz format keeps a spare box sealed while you use the first.
• The small boxes fit baking-only households that never finish a pound before it ages.
• It is useful for cleaning, brushing teeth and removing odors, and buyers value its freshness.
• It comes from the same brand as the top pick, so the product is familiar.

Cons:

• Buyers disagree on value, with some saying it is overpriced for the size.
• Some say it is smaller than expected, and a few find the description misleading.
• At 1.04 lb in total it offers less than a single 1 lb box, with a more fragmented format.

Best for: An occasional baker who wants two small Arm & Hammer boxes instead of one large one.

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The Arm & Hammer Baking Soda 8 oz 2-Pack is the small-format answer. Two 8 oz boxes mean you can keep one sealed, which is a fair way to guard against stale baking soda if you only bake a few times a year. It does the same jobs as the Arm & Hammer Baking Soda 1 lb at half the box size.

Its weakness is the value perception. Some buyers feel the size is small for what they pay, and a few say the product description is misleading. If you want more material, the Arm & Hammer Baking Soda 1 lb gives you the same amount in a single box, and the Arm & Hammer Baking Soda 2.7 lb gives far more for heavier use.

Buyer's Guide: How to Choose the Right Baking Soda Without Aluminum

The core trade-off is between purity assurance and quantity. Plain sodium bicarbonate contains no aluminum as an ingredient, but products differ in what they document: some state no additives, some publish lab results, and some simply identify themselves as sodium bicarbonate. Size and packaging then decide whether what you buy stays fresh until you use it.

Before choosing, check these project details:

• Purity claims: Look for a single-ingredient statement, a no additives claim or independent testing.
• Quantity: Match the size to how often you bake and clean, from 8 oz up to 5 lb.
• Container: Boxes, bags, cans and buckets differ in how well they seal and pour.
• Dietary needs: Gluten, kosher and vegan claims vary from product to product.
• Main use: Baking, cleaning and pool or laundry use favor different sizes.

Purity and Additives

Baking soda is a single-ingredient product, so the practical question is what each brand will state. The Clabber Girl Baking Soda 12 oz is described as 100% sodium bicarbonate, the Pure Original Ingredients Baking Soda as pure sodium bicarbonate with no additives, and the Arm & Hammer Baking Soda 2.7 lb as free of additives, cornstarch and fragrance.

For the highest level of documentation, the It's Just Baking Soda 1.25 lb publishes independent lab results. The Arm & Hammer Baking Soda 1 lb, the 365 by Whole Foods Market Baking Soda and the Arm & Hammer Baking Soda 8 oz 2-Pack do not state aluminum content separately.

Pack Size and Quantity

The right size depends on your frequency. For light baking, the Arm & Hammer Baking Soda 8 oz 2-Pack or the Clabber Girl Baking Soda 12 oz will not go stale before you finish them. For regular use, the 16 oz boxes of the Arm & Hammer Baking Soda 1 lb and the 365 by Whole Foods Market Baking Soda are the standard size.

For heavy cleaning, laundry or pool use, step up to the Arm & Hammer Baking Soda 2.7 lb, the Relative Foods Baking Soda 5 lb or the Arm & Hammer Baking Soda 12-Pack. The case has the advantage of keeping each box sealed until needed.

Packaging and Storage

Moisture is the enemy of baking soda, and packaging decides how well you keep it out. A rigid can with a lid, such as the Clabber Girl Baking Soda 12 oz, gives controlled pouring. The Arm & Hammer Baking Soda 2.7 lb uses a resealable bag, and the Relative Foods Baking Soda 5 lb arrives in a bucket.

Clumping and leakage complaints cluster around the 365 by Whole Foods Market Baking Soda and some boxes in the Arm & Hammer Baking Soda 12-Pack. Whatever you buy, decant it into an airtight jar if the original container does not seal well.

Dietary Claims and Certifications

For gluten-free baking, the Bob's Red Mill Baking Soda 4-Pack has the most specific claim, with batch testing and a separate facility. The Relative Foods Baking Soda 5 lb is sold as gluten-free and kosher certified, and the Clabber Girl Baking Soda 12 oz is described as gluten free, vegan and vegetarian.

The It's Just Baking Soda 1.25 lb adds non-GMO status and published lab results. If you do not have dietary restrictions, these claims matter less than size and packaging, and any of the Arm & Hammer products will do the job.

Frequently Asked Questions About Best Baking Soda Without Aluminum

Does Baking Soda Contain Aluminum?

Plain baking soda is sodium bicarbonate and does not have aluminum as an ingredient. The aluminum concern is mostly about baking powder, where some formulas use aluminum-based acids. Products like the Clabber Girl Baking Soda 12 oz, sold as 100% sodium bicarbonate, and the Bob's Red Mill Baking Soda 4-Pack are common choices for bakers who want to avoid that.

What Is the Difference Between Baking Soda and Baking Powder?

Baking soda is a single ingredient that needs an acid in the recipe, such as buttermilk, cocoa, molasses or yogurt, to produce lift. Baking powder already includes an acid. The Bob's Red Mill Baking Soda 4-Pack is described as reacting with those acidic ingredients, and bakers also pair it with cream of tartar to make their own baking powder.

Which Baking Soda Is Best for Gluten-Free Baking?

The Bob's Red Mill Baking Soda 4-Pack has the clearest claim, with every batch tested for gluten and packaged in a separate gluten-free facility. The Relative Foods Baking Soda 5 lb is also sold as gluten-free. Check the individual product statements if you have celiac disease.

Is a Bigger Bag or a Case Better Value?

It depends on how fast you use it. The Arm & Hammer Baking Soda 12-Pack and the Relative Foods Baking Soda 5 lb are built for heavy use, and buyers regularly rate them well on value. For occasional baking, the Arm & Hammer Baking Soda 8 oz 2-Pack avoids waste.

Can I Use the Same Baking Soda for Cooking and Cleaning?

Yes, most of the products on this list are sold for both. The Arm & Hammer Baking Soda 1 lb, Arm & Hammer Baking Soda 2.7 lb and 365 by Whole Foods Market Baking Soda all cover baking and cleaning. If you do a lot of both, the larger Arm & Hammer Baking Soda 2.7 lb bag saves you from running out.

How Should I Store Baking Soda to Keep It Fresh?

Keep it dry, sealed and away from strong odors, since baking soda absorbs them. The resealable Arm & Hammer Baking Soda 2.7 lb bag and the lidded Clabber Girl Baking Soda 12 oz can help. For boxes and bags that do not seal well, transfer the contents to an airtight jar.

Final Verdict: Which Baking Soda Without Aluminum Should You Buy?

Best Baking Soda Without Aluminum for most home bakers start with Arm & Hammer Baking Soda 1 lb: a 16 oz box at 1.08 lb, sold for baking, cleaning and odor control, with strong feedback on versatility and odor absorption. Its main weakness is that value opinions are split and the box runs out quickly if you also clean with it.

For heavier households, the Arm & Hammer Baking Soda 2.7 lb adds a resealable 43.2 oz bag with no additives, cornstarch or fragrance, and the Arm & Hammer Baking Soda 12-Pack gives twelve sealed boxes for pools, workplaces and large homes. If you want a store brand, the 365 by Whole Foods Market Baking Soda is the simple option, though clumping and leakage are known complaints. For a pourable can, the Clabber Girl Baking Soda 12 oz is the pick.

The specialist picks cover the remaining cases. The Bob's Red Mill Baking Soda 4-Pack is the one for gluten-free baking, the It's Just Baking Soda 1.25 lb is the one for published lab results, the Pure Original Ingredients Baking Soda suits additive-free and personal care use, the Relative Foods Baking Soda 5 lb is the bulk bucket, and the Arm & Hammer Baking Soda 8 oz 2-Pack is for occasional bakers. If you are still undecided, buy the Arm & Hammer Baking Soda 1 lb and move up or down in size once you see how quickly you use it.