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- The EPA’s recent interim decision restricting Sodium Bromide in outdoor pools is based on worst-case lab scenarios rather than real-world pool conditions.
If you’ve been paying attention to the swimming pool industry lately, you know that a single line on a product label can shake up the entire trade. Specifically, the EPA’s recent interim decision regarding Sodium Bromide—adding the phrase “not for use in outdoor pools”—has left many pool professionals and homeowners searching for answers.
To clear the air, Scott Hamilton, CEO of United Chemical, recently sat down with David Van Brunt on The Pool Guy Podcast Show (Episodes 1946 and 1947) to discuss the science, the regulations, and what this actually means for the future of pool care.
Real-World Data vs. Worst-Case Assumptions
One of the most eye-opening takeaways from Hamilton’s interview is how the EPA conducts its testing. The regulatory protocols often stress pool chemistry using worst-case scenarios: high pH, zero cyanuric acid (CYA), and heavy liquid chlorine dosing in above-ground pools. While safety is paramount, these linear risk assumptions often don’t mirror real-world pool usage or actual field-relevant data.
Hamilton dives deep into the chemistry of bromate formation, highlighting how trace bromate reacts in practical situations—and fascinatingly, how research shows stomach acid can actually reduce a large portion of trace bromate back into harmless bromide.
The Business of “Algae-Kill” Claims
Why do some of the most reliable products in the industry suddenly drop their “kills algae” claims? As Hamilton explains, it rarely has to do with the formula’s effectiveness. Pesticidal claims trigger strict EPA registrations, state-by-state fees, and massive compliance burdens.
The Bottom Line on Pool Care Benefits
At the end of the day, United Chemical and industry leaders are dedicated to transparency and delivering premium, effective swimming pool products. Understanding the chemistry of your pool helps you tackle algae outbreaks efficiently and safely.
If you want to hear the full story, we highly recommend downloading Episodes 1946 and 1947 of The Pool Guy Podcast Show. Armed with the right knowledge and the right chemical solutions, you can keep your pool crystal clear all season long.
