EPA vs. Sodium Bromide: The Real Story Part 1 of 2
The EPA interim decision on sodium bromide has sent a shock through the pool industry because it forces a label change that effectively removes outdoor pool use from products many pool service professionals relied on for fast algae knockdowns. If a sodium bromide-based algaecide now reads “not for use in outdoor pools,” distributors and retailers often stop stocking it entirely, even if the product chemistry did not suddenly change overnight. That’s why names like Yellow Treat and No More Problems keep coming up: they became shorthand for a simple, dependable algae treatment process that many technicians considered “bulletproof,” especially when paired with a strong liquid chlorine dose. A big piece of the controversy is bromate formation. Bromate is considered a probable human carcinogen, and the EPA’s interim approach assumes a worst-case scenario of 100% conversion from bromide to bromate in outdoor pools. Scott Hamilton explains that this is not chemically realistic, but it is cons...