Jan 21, 2014 - Types of Phosphates in Pools. Phosphates can exist in many different forms in a swimming pool. It can enter the pool as a polyphosphate, or phosphate compound, from many sources (see below). These compounds will eventually convert to an orthophosphate, the type of phosphate that fuels algae growth. Phosphates typically come into the pool from lawn care products; fertilizers, . using the pool), urine (use the facilities before going into the pool) or other types of . Jul 30, 2010 - In this free state, ortho-phosphate provides all types of algae with a good . Acid Rain, Perspiration and Urine or other types of Ammonia (NH4). Jan 17, 2012 - Phosphate is fast becoming recognized as the major cause of algae in swimming pools. This summer has seen some of the top recorded . Aug 1, 2016 - It takes a lot of chemicals to make pool water safe for swimming. Untreated water can But the biggest contributor to DBPs in pools is urine. treating pools with phosphates, nitrites, nitrates, PhosFree, chloramines, chlorine . the pool), urine (use the facilities before going into the pool) or other types of . Apr 3, 2017 - Urine in pools can be a problem, but there are ways to address the . is a powerful thing…you know, kind of like the myth that salt pools are . Sep 1, 2010 - Although most types of algae are not harmful to swimmers, algae does . Phosphates are introduced to pool water through bather urine and . Jun 23, 2015 - For managers of commercial pools, phosphates can be a big problem. . to be a food source for aquatic plants, including all kinds of algae. . Swimmers are also to blame for introducing phosphates through sweat and urine, . Oct 17, 2016 - What's the deal with phosphate removers and algaecides? . sweat (when swimmers don't shower before using the pool), urine (when swimmers don't use the facilities before going into the pool) or other types of ammonia.