Spray it on, wait a few, hose off.
How to get rust off concrete porch. Sweep the concrete patio first with a soft broom to remove excess dirt and dust. Pour the lemon juice and/or white vinegar directly onto the stain. While rust stains are unsightly, they can be removed.
How to remove rust stains in concrete cheap !!! Follow the steps and alternatives stated below to get the rust off the concrete. Acid magic is a brand name for hydrochloric acid, with a stronger ph than that very same acid you.
Let the vinegar sit for several minutes before scrubbing it with a wire brush. A sealant will keep water off the rock which prevents it from rusting. Put undiluted distilled white vinegar in a spray bottle and spray directly on the rust stains.
Cleaning concrete with muratic acid (hydrochloric acid) savemecash 13 years ago try krud kutter. The longer the acid is left on the concrete, the more it will clean and possibly etch the surface. Another natural option you might try is to cut a lemon in half, and rub in on the rust stain.
Here is a link that might be useful: Vinegar turned out to be a lousy rust stain remover in our tests. Mix about 1/2 cup of tsp with 1/2 gallon of hot water.
In a pump up sprayer, i mixed a 50/50 solution of water and a product called acid magic. If combining both liquids, use a 1:1 ratio. How do you get rust off of concrete?