Technically Speaking

The Finer Points of Water Treatment

An expert clears up some misunderstood aspects of pool sanitization.

Addressing the Nutgrass Problem Around Swimming Pools

The Efficiency Equation for Heat-Pump Swimming Pool Heaters

The Way Water Moves

Overcoming Interferences in Water Tests

Before You Backwash a DE Filter, Consider This …

A Close Look at the Workings of Antimicrobial Filtration Media

The Complex World of ORP

Expect These Changes in Swimming Pool and Spa Drain Covers

Understanding ORP and PPM