Apply undiluted white vinegar to the entire mineral deposit you are attempting to remove and allow the stain to soak for approximately 20.
How to remove water stains from concrete basement walls.
One effective way to remove white salt deposits from your concrete is with a solution of hydrochloric or muriatic acid.
When groundwater consistently infiltrates the porous concrete walls through capillary action wall stains and related problems can occur.
Unless you take every step to keep the soil surrounding the walls as dry as possible those ugly stains will just keep coming back.
Rinse the area clean with fresh cold water and dab it clean with a dry cloth.
If you re going to spend money on repairs make sure it is done by the pros with a good warranty.
The easiest step to remove efflorescence is to wash the wall and scrub the area to see if the stains go away.
How to remove a water stain from concrete.
Therefore the first step to correct any type of basement wall stain problem is to provide adequate foundation drainage in order to minimize the water infiltration.
If you see leaking in the basement move your hose to the next area and mark on the wall the upper most point of leakage and call in the professionals.
A the yellowish stains leaching through the coats of drylok and primer on your walls are an indication that water in either liquid or vapor form still is entering your basement.
Run water around the outside of the basement 15 20 minutes per side.
The sooner the better as time will be against you if you are trying to remove these stains.
How to remove water stains from cement hunker.