The right and left lateral ventricles are structures within the brain that contain cerebrospinal fluid, a clear, watery fluid that provides cushioning for the brain while also helping to circulate nutrients and remove waste.
Phosphates usually enter a pool in the form of Tri-Sodium Phosphate, or TSP. During shocking of the pool, or adding of enzymes, TSP is broken down into the tastiest algae food known - Ortho-Phosphate. In this free state, ortho-phosphate provides all types of algae with a good food source.
When Phosphates are Present, Algae Grows.... Phosphate is the main ingredient in fertilizer. Phosphate is plant food, and algae are plants. If you have had persistant trouble with algae, every year - and it always seems to come back, you may have a phosphate problem in your pool.