← Back to Library
Content

We answer your Water Chemistry Questions

πŸ“… May 31, 2025 ⏱️ 1:08:56 🎀 Edgar De Jesus, John JJ Flawless, Zach Nicholas

Chapters

Click to jump to section

  • 0:56
    Welcome and Introductions
    Edgar De Jesus, John J Flawless, and Zach Nicholas welcome listeners and introduce the episode's focus on water chemistry questions.
  • 4:08
    pH Creep in Saltwater Pools
    John explains why pH tends to rise in saltwater pools due to factors like turbulence and the production of sodium hydroxide during electrolysis.
  • 4:50
    Enzymes in Weekly Service
    John discusses the benefits of using enzymes like Orenda CB600, including breaking down organic contaminants and aiding in debris collection.
  • 5:26
    Chlorine Lock Myth Debunked
    The hosts explain that 'chlorine lock' is a misunderstanding, emphasizing the crucial ratio between cyanuric acid (CYA) and free chlorine for effective sanitation.
  • 7:07
    Accurate CYA Testing
    John provides a method for accurately testing high CYA levels by diluting pool water with tap water and multiplying the results accordingly.
  • 7:40
    Choosing Shock Chlorine
    The discussion covers various types of chlorine for shocking pools, highlighting the importance of understanding each type's chemical properties and byproducts.
  • 8:25
    Importance of pH for Chlorine
    John clarifies how pH levels directly impact chlorine's effectiveness, with lower pH increasing the active killing form of chlorine.
  • 9:00
    High Calcium Hardness
    The hosts explain that high calcium hardness (around 500 ppm) is not necessarily a major issue, as long as LSI balance is maintained and alkalinity is adjusted.

Speakers

E
Edgar De Jesus
Host
J
John JJ Flawless
Host
Z
Zach Nicholas
Host

Key Takeaways

✦

Saltwater pools experience higher pH due to turbulence and the caustic byproduct sodium hydroxide; consider ozone systems to reduce the workload on salt generators and mitigate pH rise.

✦

Integrate enzymes into your weekly service to break down organic contaminants like suntan lotions and oils, reducing chlorine demand and preventing scum lines.

✦

Address 'chlorine lock' by ensuring a proper ratio of free chlorine to cyanuric acid (CYA); for effective sanitation, maintain at least 7.5% of your CYA level in free chlorine, or 5% if using borates.

✦

When testing very high CYA levels, dilute the pool water with tap water (e.g., 50/50) and multiply the test results to get an accurate reading.

✦

Understand the byproducts of different chlorine types (cal-hypo adds calcium, dichlor adds CYA) and choose your shocking agent based on the pool's specific water chemistry needs.

✦

Maintain pH levels between 7.4 and 7.6 for optimal chlorine effectiveness, as pH significantly impacts the active killing form of chlorine in the water.

✦

Don't automatically fear high calcium hardness levels (e.g., 500 ppm); manage them by adjusting alkalinity to maintain LSI balance and prevent scale formation, only considering dilution for levels well above 1000 ppm.

Want the full experience?

Join the Inner Circle for full access to every episode, AI-powered insights, personalized coaching, and a network of industry leaders.

Join Inner Circle β†’

Inner Circle Membership Portal © 2026 Power100. All rights reserved.

power100.io