Phosphates are the by-product of organic decay. Over feeding or use of excessive amount of phosphorus containing products in tank/pond may increase the phosphate levels. Phosphates are plant fertilizers and excessive amount of phosphate in your tank/pond may invite the plank tonic growth and in higher concentration kill your aquatic life. The Lifesonic Phosphate test kit enable the user to detect even the minute levels of phosphates in water and a kit may detect 0 to 5 PPM of phosphate concentration. Each kit provide over 180 tests and the chemicals in the kits produces varying intensities of blue color upon mixing in recommended concentration.