What is it? The consistent inability to maintain chlorine levels is also called “chlorine demand” and is most often caused by a high level of…

What is it? Black algae are single-celled organisms that grow in large colonies. They contain chlorophyll like other algae, but they also contain compounds that…

What is it? Common “green” algae are microscopic, aquatic plant-like organisms and can be free-floating or wall clinging. Algae grows in salt or fresh water…

What is it? Mustard algae is a chlorine-resistant form of green algae that often resembles dirt or sand on bottom or sides of pool. It…

What is it? Local climate and weather conditions have a significant impact on the energy efficiency of a pool. Evaporation is more noticeable in drier…