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  1. J

    time for chlorine to diffuse

    Hello, Organic chemistry wasn’t my strong suit. Does anyone know how long for liquid chlorine to diffuse equally throughout a 5000 gallon body of water if it’s poured into one area? When I service my bro-in-law’s exercise pool I just turn on the propeller for a couple of minutes. It’s great! Now...
  2. J

    Chlorine level vs bather load

    Hello, My brother in law wants to switch his spa’s sanitizer to chlorine from bromine. I read an older post which stated that the approximate bather load was 7ppm of chlorine/hour. If the level was kept at 3-5ppm this would seem to mean that you’d soon have no chlorine left in short order even...
  3. J

    CYA-chlorine review

    Hello, I have been studying the CYA-chlorine relationship chart provided by Chem Geek et al. This is a well thought out analysis and the chemistry seems correct. But, no surprise, it brings into question recommended industry standards (at least in my case). We have a small (2400gal) outdoor...
  4. J

    Can't stabilize Bromine bank

    Starting to regret that I hated organic chemistry in college. Refilled spa water and mistakenly added way too much sodium bromide to start the bank (oops). However, shock treatments (non-chlorine) even as they approach the recommended ratio, don’t result in stable Bromine readings (Lamotte...