For this article we will focus on a wet method.
How to remove white fertilizer stains from concrete.
Rinse the concrete with water until you remove all the soap.
Let it settle for 5 10 minutes then scrub with a stiff brush and rinse it off with your garden hose at its highest pressure.
Apply an organic detergent as recommended above to damp concrete.
Decide if you want to use a dry method or a wet method.
Occasionally white stains also appear from salts in the fertiliser.
Purchase an acidic efflorescence stain remover available at hardware stores and home centers.
Water causes the chemical pellets to basically soften on the concrete and therefore the properties inside the chemical will cause deep rust stains on top of and inside of the concrete.
Removing the fertiliser stains without damaging the pavers is usually possible.
How to remove fertilizer rust stains from concrete.
Apply the vinegar and water solution to the stains several times.
First scrub the concrete stain with dish soap and water in order to remove as much urine as possible.
Scrub the stain lightly and then rinse.
Use a clear white vinegar and dilute it 50 50 with water.
However the pet store products are most effective.
This may sound weird but fertilizer really can leave rust stains on your pristine concrete.
These stains are caused by chemical fertilizer granules that are left on concrete surfaces.
Given enough time acid rain can clean the majority of white concrete stains but many homeowners do not wish to wait to remove the problem.
Severe stains may require a second application.
If you catch the stain early this might be all you need in addition to some sunshine odor can be further reduced by an application of distilled white vinegar.
Let it sit for a few minutes.
The white residue on the surface of new concrete can be removed only with an acidic cleaner.
Wet methods use chemicals to remove the stain.
Dilute clear white vinegar with water.
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.
Spray them with easy off no fume oven cleaner in the blue can.
Get those unsightly grease oil and transmission fluid stains off your concrete driveway or garage floor.
These methods will also remove a portion of the concrete so most people choose to use a wet method.
Apply solution to fertilizer stains.
Pour fresh lemon juice onto the stained area.
Scrub vigorously with a stiff broom or scrub brush.