Oct 23, 2012 - Phosphorus is totally natural, and is an essential nutrient for human, . bird droppings, perspiration, urine, hair care products and cosmetics. Apr 3, 2017 - Chlorine Disinfection, urine in pools 'The Fundamentals of Chlorine Chemistry and Disinfection.' Bowman & Mealy, 2007. Wisconsin State Lab . Phosphorus is essential to plant growth, but there's a looming shortage, which could . Fifty to 60 percent of the phosphorus in human waste is in urine, which is . Oct 17, 2016 - What's the deal with phosphate removers and algaecides? . Phosphates and nitrogen: the basics . before using the pool), urine (when swimmers don't use the facilities before going into the pool) or other types of ammonia. 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. Mar 1, 2017 - Urine was detected in 100% of pool samples tested by the scientists. . After tracking the levels of the sweetener in two public pools in Canada . Apr 26, 2014 - Swimming in a urine-contaminated pool is certainly not the most pleasant thought, but is it really so bad? Olympic swimmer Michael Phelps . Diet Calcium 1000 mg Phosphate 900 mg Rapidly exchangeable pool Calcium . 150 mg Phosphate 150 mg -- Feces Calcium 800 mg Phosphate 450 mg Urine . Jan 13, 2014 - Urine contains nitrogen, phosphorus and potassium -- essential plant nutrients . enough to fill a third of an average American swimming pool. In the mitochondria, phosphate-containing proteins play essential roles in the . 52 Phosphate pool † Reabsorbed 135 * Resorption 7 Faeces 19 Urine 25 .