How to Get Rid of Algae From Brick


Take Care of Your Bricks

Brick homes will last a long time especially if you care for your brick. It is common to see a distinctive green growth which is known as algae on the surface of your bricks. This can damage or stain the bricks over time. Algae can be removed from the surface of your bricks by using a few household items that you have in your home together with your garden tools. If you practice careful cleaning and maintenance of your bricks, it will be free of algae and look as good as new. Proper and regular cleaning of the bricks will remove any growth and also prevent re-growth.

To Remove Algae From Brick, You Need:

  • 3.5 Litres of white vinegar
  • Bleach (if your house or neighbors do not have pets)
  • 1.75 Litres of water
  • Cleaning bucket
  • Protective gloves
  • Safety glasses
  • Soft bristle plastic scrub brush
  • Garden hose
  • Spray nozzle
  • Hand broom
  • Ladder (optional)
  • Vacuum (optional)

Quick Info

Using vinegar as your solution for cleaning algae from bricks will not harm animals and it is also effective in getting rid of algae. You can also make use of bleach as your algae removal solution but if it is ingested by your pet or your neighbours pet, it would be dangerous to the pets.

Removing Algae from Brick

  • The first thing that you need to do is to mix the 1.75 litres of water together with white vinegar in a bucket in order to create a cleaning solution for removing the algae from the bricks.
  • You must always ensure that you are wearing durable gloves and goggles to protect your eyes.
  • Take a hand broom or use your vacuum in order to remove any of the loose dirt and debris off your bricks.
  • The vinegar solution does not hurt you if it gets on your skin but, the bleach can hurt your skin if you are not in proper attire.
  • You must sweep or vacuum the area as clean as possible which also includes the mortar sections between the bricks to enable you to successfully remove the algae.

Always check your bricks thoroughly in order to ensure that your bricks are still in a good state before starting any cleaning task on them.

  • Then you need to scrub the brick but first you must dip the scrubbing brush into your cleaning solution. Make sure that the scrub brush is made of soft-bristle.
  • Use the brush to remove all the algae on the bricks. You need to give extra attention to the parts that has lots of algae and the mortar areas in-between your bricks.
  • You will need a ladder to scrub away algae which is beyond your reach. If ever you are using a ladder to remove algae which is over your reach, be extra careful and if possible you should seek assistance from your friends or family members to help you.
  • Do not use brushes with wire or hard type bristles as these can scratch your bricks and remove their protective glaze when you clean them. For areas of your bricks or mortar which are crumbling or damaged, you must not proceed with the harsh scrubbing method. You must apply the bleach or vinegar solution in a gentle manner when cleaning the affected areas.
  • Once you have completed the above step, you have to rinse the brick by using your garden hose along with the spray nozzle. By using this spray attachment, it will help you in cleaning even the small areas such as the mortar.
  • Rinse all the affected area
  • All of the above process needs to be repeated if you think it is necessary in order to completely remove the algae and make your brick long lasting.

Note: Using an industrial-strength power washer can do damage to your bricks and also remove its glaze layer.

Always remember

If you use bleach instead of white vinegar, you must make sure to rinse the surrounding area of the bricks very thoroughly.

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