Chlorine Lock is Fake… and the Industry Let You Believe It Anyway
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Chlorine Lock is Fake… and the Industry Let You Believe It Anyway

27:34 Mar 27, 2026
About this episode
Pool Pros text questions hereThis episode starts where most pool problems actually begin—not in the chemistry… but in the math. Rudy breaks down why inconsistent dosing is quietly wrecking pools everywhere, how “close enough” turns into repeat problems, and why scooping chemicals like you’re baking cookies is one of the biggest operational failures in the industry.From there, the conversation escalates into real chemistry—chlorine demand, the science behind oxidation, and why chlorine never just “disappears”… it reacts.Then we get into the controversy everyone keeps asking about: Is sodium bromide coming back? Rudy explains what’s really happening behind the scenes with regulatory restrictions, what the EPA is actually concerned about, and why this has nothing to do with whether bromine works—and everything to do with what might happen under worst-case conditions.⚠️ What You’ll Learn in This Episode Why most pool problems are not mysterious—they’re bad dosing and inconsistent inputs  The critical difference between volume vs. weight and how bulk density quietly sabotages your results  How underdosing fuels contamination—and overdosing creates new problems  Why chloramines (not chlorine) cause smell and irritation  The real reason your pool “won’t hold chlorine” (hint: it’s not magic)  Why “chlorine lock” is not a real chemistry term—and what’s actually happening instead  How sunlight, ammonia, organics, and biofilms all compete for chlorine simultaneously  The role of hypochlorous acid vs. hypochlorite ion and why pH changes everything  What chlorine demand really is—and how to diagnose it correctly 🧬 The Bromine Conversation (What Everyone’s Asking) Why sodium bromide was restricted in outdoor pools  What the EPA actually said (and didn’t say)  The real concern: potential bromate formation under certain conditions AquaStar Pool ProductsThe Global Leader in Safety, Dependability, & Innovation in Pool Technology.POOL MAGAZINE Pool Magazine is leading up to the minute news source for Swimming Pool News and Pool Features. Outhe 'How to Get Rid of Algae' handbookThe most comprehensive guide on algae prevention and remediation you will ever own. BLUERAY XLThe real mineral purifier! Reduce your pool maintenance costs & efforts by 50%CPO Certification ClassesAttend your CPO class with Rud
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