Oxalic acid is a wood bleaching agent that can be used to remove the stain.
Best way to remove acid stain from concrete.
Some people are opting to use them as an indoor flooring option as well.
Mixing ammonia with bleach creates a lethal gas similar to mustard gas.
Steps to remove the stain.
You should see a gray stain.
Make a paste of powdered laundry detergent and water.
However if one of your vehicles has a leak this can lead to ugly stubborn stains on the concrete or asphalt.
Also the longer the stain sets the harder it is to get out.
Make sure the detergent you use is ammonia free.
Battery acid stains are not difficult to remove.
This concrete floor brings out an air of old elegance to any home.
Leave for 24 hours.
Household bleach will not.
One effective way to remove rust from concrete is to dissolve the surface layer of concrete using a mild muriatic acid solution.
Most rust stains require some kind of acidic cleaner such as oxalic acid to remove or at least loosen the rust the acid helps to lift the stain making it easy to scrub away the rust stains.
The grass did die a few inches away from the concrete but seems to be coming back two weeks later.
Wear rubber boots goggles and rubber gloves.
You can remove the stain with items you already have at home.
Wear old clothing rubber gloves and protective eyewear.
In hindsight a longer soaking would be a good idea.
Common spills and leaks include antifreeze grease oil and battery acid.
Battery acid stains should be cleaned up immediately as the battery acid will damage your concrete by eating away at the surface.
By the way my rust stain issues are now over because i added a water softener which removes the iron from the well water.
Most acids get rid of rust a form of oxide by converting it into an oxide that can be dissolved in water.
How to remove pet stains.
Begin by taking the necessary precautions to protect yourself against the harmful acids.
Muriatic acid is available at many home centers and full service hardware stores for about 6 a gallon working with an acid solution requires certain safety precautions.
Pour the vinegar over the stain let sit for 10 minutes then scrub with a stiff nylon brush.
While a concrete acid stain looks unpleasant acid stained concrete floors are usually a popular choice for the driveway or the patio.
Though this method uses bleach it does not utilize household bleach.
Scrub the gray stain with a solution of 1 cup liquid chlorine bleach 1 cup powdered laundry detergent and 1 gallon of very hot water.
If your juicy steak splattered grease on the concrete patio don t panic.
Bbq grease removal instructions.
