Andrea Unfiltered: The Liver of the Pool (Chemistry That Actually Matters)

Pool Pros text questions here

In this episode of Talking Pools Podcast, Andrea wraps up her multi-part deep dive into pool chemistry with a no-BS breakdown of what actually matters when it comes to testing, dosing, and not screwing it all up.

And yes… she’s cooking chicken while recording.

🔍 What This Episode Covers

This isn’t textbook chemistry.
This is real-world, boots-on-the-ground pool service knowledge—the stuff that actually saves you from making expensive mistakes.

📊 Testing Frequency (What You Should Actually Be Doing)

Andrea breaks down what needs to be tested—and how often:

• Weekly: Free chlorine, combined chlorine, pH, total alkalinity
• Bi-weekly (max): Total alkalinity (don’t push it further)
• Monthly: Cyanuric acid, calcium hardness, salt
• As needed: Phosphates, metals, TDS

And one big reminder:

If you’re not testing combined chlorine… you’re missing half the story.

⚠️ Test Kit Lies (Yes, They Lie)

Ever get a reading that makes zero sense?

It might not be you.

This episode dives into:

• DPD bleaching → false zero chlorine readings
• MPS interference → false high readings
• High chlorine messing with pH tests
• Metals affecting calcium hardness results

👉 Translation:
Your test results can absolutely betray you if you don’t know what you’re looking at.

🧠 The Dilution Trick (That Most Techs Don’t Use)

When your test maxes out…

You don’t guess.

You dilute.

Andrea explains:

• How to properly dilute samples
• When to multiply results
• Why guessing high readings is a mistake

Including real-world examples of CYA levels hitting 300+ ppm in Florida.

💣 Chemical Dosing (Where People Go Off the Rails)

This is where things get dangerous—and expensive.

Andrea walks through:

• Proper dosing based on 10,000 gallons
• Why dumping “a gallon of acid” is a terrible idea
• How to actually adjust pH and alkalinity correctly

And the reality:

Most chemical mistakes aren’t accidents… they’re impatience.

⚙️ Feeders, Automation & Salt Systems

From manual dosing to full automation, this episode covers:

• Stenner pumps & peristaltic systems
• Tab feeders vs erosion feeders
• Ozone, UV, and gas systems
• Salt cells and how they actually generate chlorine

Including a key reminder:

👉 Salt is not the sanitizer
👉 The cell produces chlorine gas → which becomes hypochlorous acid

🔥 The Real Problem with the Industry

Andrea calls out a growing issue:

Conflicting information between:

• CPO materials
• Manufacturers
• Field experience

And the result?

👉 Confused techs
👉 Bad chemistry decisions
👉 Arguments in comment sections

Support the show

Thank you so much for listening! You can find us on social media:

• Facebook
• Instagram
• Tik Tok

Email us: [e-mail]