how to kill algae on brick
Removing Algae from Brick. 1  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.2  You must always ensure that you are wearing durable gloves and goggles to protect your eyes. Make sure that the scrub brush is made of soft-bristle. 2  Use the brush to remove all the algae on the bricks. 3  You need to give extra attention to the parts that has lots of algae and the mortar areas in-between your bricks.