Archive for May, 2021

What Do I Need to Start the Season A question we are often asked at Purewater is what to pick up to start the season?  The answer is not quite as simple as you might expect. Many consumers want to be efficient and get all of their buying out of the way in one trip, understandably.  Some will follow a pattern; what did I buy last year, and just do […]

Chlorine demand reflects an inability to maintain an adequate free chlorine residual in pool or spa water, even though the water is balanced and properly maintained. It can take the form of low total and free chlorine residuals or high combined chlorine (chloramines). Chlorine demand is caused by many different contaminants entering the water that increase oxidation levels (the demand for shock) or tie up free available chlorine. Symptoms can […]