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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!

Eric Knight

Recent Posts

NSF/ANSI 50 Certification and the Model Aquatic Health Code

November 6, 2018

The CDC’s Model Aquatic Health Code (MAHC) has been updated

"New: Specifies that numerous pool...

Why does Soda Ash cloud up pool water?

November 6, 2018

Sodium carbonate (Na2CO3), more commonly known as Soda Ash, is an additive to raise the pH and...

Leave It Better Than You Found It

July 28, 2018

My grandfather has a few rules that go unquestioned and are universally obeyed. One of them is...

Honesty in Water Testing

January 15, 2018

If you're not testing, you're just guessing

Water testing is too often rushed and overlooked in...

What is Alkalinity? A beginner's guide

November 23, 2017

Alkalinity is one of the primary things measured in water chemistry. But what is it? Total...

Delayed Gratification: The Marshmallow Test

September 10, 2017

We live in a world of instant gratification

Delayed gratification doesn't sell. In an effort to...

Pool turned green from copper and a chlorine shock

July 3, 2017

It turned green from copper, not algae. Who would've thought?

Warmup Pool Overloaded: How enzymes handled 850 swimmers

May 13, 2017

The following is a true story, exactly the way I remember it. Not that I could ever forget my...

Change we can relieve in - A more practical way to address urine in pools

April 3, 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...

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