spanewb Posted April 13, 2020 Report Share Posted April 13, 2020 I have an indoor spa that I treat with Bromine. My Cyanuric acid levels are reading as very high (~300 ppm). While I'm aware that to lower those levels, the only solution is to add water (or drain and restart), however my questions are more about how it got there. From my research, i've seen that CYA accumulates because it is a stabilizer for Chlorine, but since I'm using Bromine, I'm wondering where the CYA is coming from? Additionally, are these high CYA levels an issue with a Bromine spa? Ie does it reduce the effectiveness of Bromine, and also is it a health hazard? Quote Link to comment Share on other sites More sharing options...
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