The key is to mix up a solution of 1 gallon of warm water to 1 cup of vinegar with a squirt of dish soap. Pour the solution onto the stains and scrub with a stiff deck brush. Use a mop or wet vac to remove the residue first and then rinse liberally with water.
Subsequently, one may also ask, how do you clean interior concrete floors?
Some good cleaners include Castile soap, liquid dish detergent, stone cleaners and mild floor cleaners. Mix a solution, apply to floor with a wet mop and then rinse with a mop dipped in clean water. To make your concrete floors resistant to future stains, apply a concrete sealant.
How do I acid wash my garage floor?
Use your hose to lightly spray down the concrete in your garage so that the concrete is wet but not puddling water. If you have a large garage floor, you may want to acid etch in sections. Do not let the concrete dry out before or during application of the acid solution.