A natural habitat is an ecological or environmental area where a specific species lives. It is the place in nature that particular species calls home. To help picture what this means, think of a zoo.
Quick Answer. A mixture of vinegar and borax will kill most algae growing on bricks and concrete. Homeowners do not need harsh chemicals to get rid of these pesky growths.
Scrubbing it off with a push broom doesn't take care of the problem either. You have two effective options for removing mold and mildew from concrete. 1. Scrubbing With Bleach. Combine 1/4 cup of liquid bleach with 1 gallon of hot water in a large bucket. Using non-diluted bleach may work, but mixing it with water is more conservative and less likely to cause damage to your sidewalk.