You can use concrete rust stain removers that are readily available at home improvement centers.
Iron fertilizer stains on concrete.
Sold in a 22 oz.
Super easy to use does not have a strong odor or harm your hands it s sealgreen.
Not all fertilizers have iron but it does get your grass really green.
This may sound weird but fertilizer really can leave rust stains on your pristine concrete.
Iron fertilizers contain iron sulfate which can stain your walkway.
Many consumer fertilizers today contain a small percentage of iron a mineral your lawn needs to stay healthy but which your concrete certainly doesn t.
You might have known that.
The iron in the fertilizer is what causes rust.
Water causes the chemical pellets to basically soften on the concrete and therefore the properties inside the chemical will cause deep rust.
Powdered concentrate it can simply be mixed with water to form a gel that will cover approximately 60 square feet of concrete.
Sometimes a fertilizer bag can cause a nasty stain when placed on a concrete walkway.
Fertilizer rust stains on concrete comprise some the most powerful and embedded tough rust stains to eliminate.
The stains they cause can be difficult to remove using your daily household products.
How to remove fertilizer rust stains from concrete.
Use this to remove the rust stains https amzn to 2utvyxl.