Our blog is a collection of stories, research, and other info you may find useful. In the world of water treatment, there are tons of resources out there, so we hope to help you filter out some of the noise. Have a question we didn’t answer? Let us know!

Different Pool Sanitizers, Part 1: Chlorine

May 11, 2017
A residual sanitizer is essential to a healthy, safe swimming pool Even with the latest and...

Cold Water and the LSI

April 28, 2017
The vast majority of damage done to a pool occurs during the winter, or initial filling/startup....

What Causes Cloudy Pool Water?

April 7, 2017
Pools get cloudy for a number of reasons. This article will discuss several of them, but keep in...

Change We Can Relieve In - Addressing Urine in Pools

April 3, 2017

Test the Tap Water. Water Chemistry Starts at the Tap.

March 22, 2017

I knew nothing about pool plaster. So I went to the NPC Show.

February 10, 2017
I have never plastered a pool in my life. In fact, until this week, I had never even seen pool...

Understanding Calcium Hardness

February 3, 2017
Calcium hardness is one of the most important factors in water chemistry, and swimming pool...

The NSPF and APSP Merged

January 31, 2017
The Pool and Hot Tub Alliance In January 2019, the National Swimming Pool Foundation (NSPF)...

Refurbishing a sand filter vs. Replacing filter sand

January 15, 2017
We were presented with a challenge: could Orenda products clean a heavily-loaded commercial sand...

What Does NSF Certification Mean?

December 21, 2016
The organization referred to in this article is NSF International, formerly the National...

Understanding ORP: Oxidation Reduction Potential

December 2, 2016
Note: As usual, this is an article that aims to simplify a complex topic. To all the chemists...

Understanding LSI: The Langelier Saturation Index

November 16, 2016
 The LSI is one of the cornerstones of the Orenda program. In fact, LSI Balance and Calcium...
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