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.
Green algae is the most common and also the easiest to kill. Mustard algae (also known as yellow algae) is commonly mistaken for dirt at the bottom of the pool. This form of algae normally grows on shady areas of the pool and killing it requires an extra chemical such as Yellow Out in addition to chlorine. Black algae is the least common, and also the hardest to remove. Black algae is normally found as coin-sized spots, whose roots are buried deep into the surface of the pool.