This algae may appear black in the pool, but when you retrieve a sample and rub it on a piece of white paper, you'll notice a greenish tinge. It's anexample of acyanobacterium; it's related to spirulina, another type of blue-green algae, and tored algae,which also grows in swimming...
Be aware that a vinyl sided pool will need to be treated more delicately. After turning off the pump, begin the process to get rid of the black mold by scrubbing at the spots using the brush. Clean away any dislodged particles before applying some concentrated algaecide, in accordance with ...
How to clean off & prevent algae, moss or lichens formation on roofs Regardless of the cause of a roof stain, moss, or lichens, avoid aggressive roof cleaning methods (like scrubbing with a stiff brush or power washing) that might damage the roof surface. Before deciding to remove a roof...