The Truth About Phosphates in Pool Water

From Swim University

Many people encounter phosphates for the first time when they are told by their swimming pool professional that they have them in the water.  They are usually told that phosphates are a food source for algae, and that they need to get rid of them using chemicals.  Unfortunately, people don't understand why they have the phosphates in the first place, and the reasons behind the need to control them.  This post from Matt Giovanisci from Swim University helps to clear the air (and water) about phosphates, their origins, and why it is so important to control them.

Here is an excerpt from the post: