
IRON OUT Rust Stain Remover Powder
4.6Best price now
Compared across 2 stores. Prices are checked against each store and labelled with when.

Compared across 2 stores. Prices are checked against each store and labelled with when.
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.
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Lowest price we've seen: $9.74 on Nov 3 at Amazon. Tracked across 4 stores since Nov 3.
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.
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.