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Iron OUT
IRON OUT Rust Stain Remover Powder

IRON OUT Rust Stain Remover Powder

4.6· 1,001 ratings

Best price now

$7.59at Jamaica Hardware & PaintsObserved Nov 3, 2026, 6:39 PM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Our take on the IRON OUT Rust Stain Remover Powder

Iron Out Rust Stain Remover Powder is a 28 oz tub of sodium hydrosulfite-based cleaner that dissolves iron and rust stains instead of scrubbing them off. It is used in toilet bowls and tanks, sinks, tubs, showers, dishwashers, washing machines and water softeners, and it also whitens white laundry. At $13.49 at eBay as of November 3, 2026, the best new price sits at the low end of its recent range, where it typically sells for roughly $12 to $20.

Best forHouseholds on well water with iron stainingCleaning toilet bowls and tanks with rust ringsRestoring white laundry dingy from ironMaintaining water softeners and appliances with iron buildup
Pros
  • Dissolves rust and iron stains without scrubbing
  • Works on many surfaces: toilets, tubs, sinks, dishwashers, washers
  • Also whitens white clothes and cleans water softeners
  • Long-established formula trusted for decades
  • 28 oz tub lasts through many cleanings
Cons
  • Strong chemical smell; ventilate the room
  • Not for colored fabrics, and pre-testing is required
  • Can damage some metals and surfaces if left too long
  • Must be kept away from acids and other cleaners

IRON OUT Rust Stain Remover Powder prices at every store

  • Jamaica Hardware & PaintsNew

    In stockReturn policy

    $7.59Observed Nov 3, 2026, 6:39 PM
    Visit store
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $9.74Free shippingObserved Nov 3, 2026, 6:39 PM
    Visit store

Also available at

  • Fleet FarmCheck price at Fleet Farm
  • Lowe'sCheck price at Lowe's
  • McCoy's Building SupplyCheck price at McCoy's Building Supply
  • eBayCheck price at eBay
  • WalmartCheck price at Walmart
  • Hardware & ToolsCheck price at Hardware & Tools
  • Home and Country USACheck price at Home and Country USA
  • Life and HomeCheck price at Life and Home
  • Toolbox SupplyCheck price at Toolbox Supply

IRON OUT Rust Stain Remover Powder price history

Lowest price we've seen: $9.74 on Nov 3 at Amazon. Tracked across 4 stores since Nov 3.

What reviewers say

Owners rate it highly, at 4.6 out of 5 from about 1,000 ratings, and most praise how it clears rust from toilets and laundry that other cleaners leave behind. Complaints center on the sulfur-like smell and on stains or surfaces it failed to fix.

Pros
  • Removes stubborn toilet bowl and tank rust rings
  • Brings dingy white clothes back to white
  • Works with little or no scrubbing
  • Good value for the amount of powder
Cons
  • Strong, unpleasant odor
  • Some users saw no change on older or set-in stains
  • Can discolor certain fabrics and metals

About the IRON OUT Rust Stain Remover Powder

Say goodbye to scrubbing rust stains with no results, and say hello to easy rust removal with Iron OUT Rust Stain Remover Powder. The rust remover is a quick and easy way to remove the toughest stains from indoor and outdoor surfaces. Trusted for over 60 years, the heavy-duty rust remover easily rinses away iron and rust staining without the need for scrubbing. This multi-purpose cleaning powder can be used on many different types of surfaces in and around the home, kitchen, bathroom, and more. Use it on toilet bowls, toilet tanks, showers, sinks, tubs, dishwashers, washers, and more. It can also whiten white clothes and provide cleaning maintenance for water softeners. You can turn to the tough-acting formula to clean a water softener with iron buildup to help maintain the machine’s performance and extend its life. The unique solution changes rust and iron into a clear, soluble state that easily rinses away without scrubbing to save you time while renewing your property. Please read the entire label for instructions before using, and always pre-test in an inconspicuous area. This stain remover can be used on various surfaces.

Specifications

multipack_quantity
1Source
color
WhiteSource
size
28 ozSource

Questions and answers

Is Iron Out worth it?
For rust and iron stains, yes. It dissolves stains that bleach and ordinary cleaners often leave behind, and at $13.49 for 28 oz at eBay as of November 3, 2026, a tub covers many cleanings.
How is it different from bleach or vinegar?
Bleach whitens but does not remove iron, and vinegar can set rust stains. Iron Out chemically converts rust into a soluble form that rinses away. Never mix it with bleach or other cleaners.
Can I use it on colored clothes?
No. Use it only on white fabrics, and pre-test a hidden area first. It can strip or alter dyes on colored items.
How much powder do I use?
Follow the label for each job; toilet and laundry doses differ. Start with the smallest amount the label allows and add more only if the stain remains.
Does it work in a water softener?
Yes. It is used to clear iron buildup from softener resin and help the unit keep performing. Follow the label's softener instructions rather than guessing a dose.
When is the price lowest?
Prices for this tub usually run about $12 to $20, and $13.49 at eBay as of November 3, 2026 is near the bottom of that range. Stock up when it dips below $15.
Where is the IRON OUT Rust Stain Remover Powder cheapest?
At Jamaica Hardware & Paints, for $7.59, as of our latest check.
What do buyers say about the IRON OUT Rust Stain Remover Powder?
Rated 4.6 out of 5 from 1,001 ratings.
Where can I buy the IRON OUT Rust Stain Remover Powder?
11 stores we checked sell it, including Amazon, Jamaica Hardware & Paints, Fleet Farm, Lowe's, McCoy's Building Supply.

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