Step 2 use oxalic acid.
How to remove acid stain from concrete floor.
Rubber gloves and boots.
Step 3 treat with tsp.
Pour chlorine bleach into a spray bottle.
Don t rub the surface it will drive the stain further into the concrete.
Put on your protective gloves goggles and clothing.
Often you can remove a brand new stain with only household cleaner and water.
For large spills apply spill absorbent to the area and let it sit for 24 hours.
How to remove battery acid stains from concrete step 1.
Battery acid stains may be removed from concrete by cleaning the area covering the stain with a cleaning agent like acid or bleach letting it sit and then rinsing away the cleaning agent.
Some people say never to use an acid wash to open the pores for staining and others say it s ok to use an acid wash of 10 parts water to one part acid.
To remove acid stains on the floor you must act immediately and sprinkle the bicarbonate sodium on the affected area ensuring that you are protecting yourself with a sturdy pair of gloves special work trousers and goggles.
Remember to always wear protective gear before using any of the cleaning products above.
Strip it about a foot or so back and away from the.
Prepare the area by sweeping it clear of any dirt or debris.
First do a test to see if applying a fresh coat of wax will fix it.
It is safest to try a milder cleaning agent first before moving on to something more caustic.
And don t forget to ventilate the room to avoid breathing in the highly toxic fumes.
If the scratches are shallow and just in the wax then a fresh coat should do.
I get very different answers on how to properly prepare a power troweled concrete surface for application of acid stains.
Step 5 apply concrete sealer.
For larger stains an orbital sander can remove the stain.
Strip back the floor wax using our floor wax remover.
A small handheld sanding tool can sand away a white vinegar stain on concrete which will then need to be resealed.
Step 4 try muriatic acid.
How to remove concrete acid stain.
Bleach battery acid and muriatic acid are hazardous.
