Mix Solution of dish soap and water, and use a brush to scrub the pavers clean. Make sure to rinse the pavers thoroughly afterward. This process may need to be repeated for tough stains.
To clean paver slabs, you can use a detergent, such as Dawn, or a vinegar-water solution that is gentle enough to effectively clean without causing damage to your concrete pavers.
Water and mild dish soap is a popular cleaning solution because it's easy to find at home and it won't damage brick, but it will tackle stains. The BIA recommends using hot water for surface cleaning with a detergent. White vinegar and water, another common household cleaner, can also be used on mildew.
Mild detergent and water. If your pavers aren't too dirty, this can be a quick and easy way to clean them without any fancy equipment. Mix some mild dish soap with water in a bucket to create suds, then use a brush or a sponge to scrub the surface of the pavers.
Use a specialist cleaner
Try a specialist cleaner like Wet & Forget, at Walmart, which you spray onto the surface of the paving and leave. It can also be used on steps, fountains, patio umbrellas and other smaller outdoor areas. It's bleach-free and non-acidic but will remove mold, moss and grime without any scrubbing.
The acetic acid in vinegar is a little stronger than acid rain, so exposing your pavers to this substance can lead to bleaching, corrosion and the loss of protective sealant.
A solution of household bleach diluted 10:1 with water (10 parts water) can be used to remove many types of stains. Some of these include beverage stains, leaf, wood rot, and tobacco stains. Always test a small section of your patio before covering a large area.
Baking soda is an amazing household cleaner, and it can work really well on your pavers too.
Scrub off the stains and the vinegar with some good old soap and water. Simple Green is one of the best cleaning products for dirty pavers. It doesn't have any harmful chemicals that could possibly warp your precious driveway.
OxiClean is a powerful concrete cleaner that works well on various materials, including pavement and grout. This concentrated solution provides excellent cleaning without leaving residue.
Although bleach is great at the whitening effect, you can use peroxide to achieve this. Hydrogen peroxide is an oxygenated bleach. It is safe for plants, so when you rinse this solution, it won't harm anything. It works together with the dish soap and baking soda to remove dirt and whiten dirty concrete.
Try Concrete Stain
The simplest path to reviving tired pavers is to apply an acrylic-based semitransparent concrete stain, such as Behr Premium Semi-transparent Concrete Stain ($27/gal.; Home Depot) or Valspar Semi-transparent Concrete Stain ($28/gal.; Lowe's).
Can you power wash pavers? Power washing (also known as pressure washing) is also a very effective method by which you can remove dust deposits and various stains from your pavers. Just make sure that the water jet is not directed directly at the joints between the paving stones.
A dish soap, like Dawn, is a safe place to start. The surfactants in dish soaps are designed to remove oil and grease, they're gentle enough to be used without issue on your pavers. In a bowl or bucket, mix the soap with water and pour it onto the stain and agitate. Rinse and repeat if needed.
Dry brushing with or without application of clean sharp sand. OR High pressure water jetting with or without detergent. OR Apply fungicides. Use ordinary bleach or calcium chloride followed by sodium hypochlorite dissolved in water (1kg in 5 litres) then scrub with stiff brush.
A mixture of one part bleach with three parts water is the most common cleaning agent used to remove mold from pavers.
Apply a Mild Dish Soap
Dish soap should be applied directly to what remains of the stain, and then left to sit for 10-15 minutes before it's hosed off. For tougher stains, a plastic bristle brush may be needed to lift the stain from the patio.
If vinegar does not do the trick, you can also try mixing about a cup of bleach for each gallon of water and using this as your mold-killing spray solution.
You may also use Oxyclean mixed 4 scoops to a gallon of hot water. Let soak for 15 minutes and then scrub with a nylon bristle brush, then rinse. Caulking - Scrape off excess and scrub with a poultice of denatured alcohol. Rinse with hot water and detergent.