Is Super Washing Soda the same as baking soda?

Both are sodium bicarbonate, but Super Washing Soda is sold as a laundry and cleaning booster. It is not a substitute for baking soda in recipes.

Can I use it as a laundry detergent on its own?

No. It boosts and softens but does not clean clothes alone. Add it to a regular detergent for stains and odors.

Is it safe for septic systems and HE washers?

Sodium bicarbonate is generally septic-safe and works in high-efficiency machines. Use a small amount and check your washer's guidance.

How much should I add to a load?

About half a cup per load is typical. Use less for small loads or delicates.

Is it unscented and kosher?

Yes. It is unscented, kosher, and contains no harsh chemicals or allergens.

When is the best time to buy it?

At $5.38 at Amazon as of November 7, 2026, it is near the low end of its recent range. Stock up when it dips below that.

Where is the Arm & Hammer Super Washing Soda cheapest?

At Amazon, for $5.38, as of our latest check.

Where can I buy the Arm & Hammer Super Washing Soda?

2 stores we checked sell it, including The Home Depot, Amazon.

Arm & Hammer Super Washing Soda

Best price now

$5.38at AmazonObserved at 10:08 PM

Compared across 2 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Our take on the Arm & Hammer Super Washing Soda

Arm & Hammer Super Washing Soda is a 1 lb pouch of sodium bicarbonate powder sold for both laundry and household cleaning. It is unscented, kosher, and free of harsh chemicals, and it doubles as a general-purpose cleaning and deodorizing powder. At $5.38 at Amazon as of November 7, 2026, it sits at the low end of its recent range, with only two stores pricing it new.