x86 Posted June 23, 2014 Report Share Posted June 23, 2014 Poured too much bleach into the spa after a soak and it is reading 20ppm. Nothing on the pool calculator about lowering chlorine but I think I remember reading something about adding hydrogen peroxide? Anyway - does anyone know the chemical and can provide a volume to ppm ratio? Thanks! Quote Link to comment Share on other sites More sharing options...
x86 Posted June 23, 2014 Author Report Share Posted June 23, 2014 Found it! (I missed this post when I looked through the forum the first time). Here is the recommended dosage: 10 fluid ounces of 3% hydrogen peroxide would reduce the FC by 10 ppm in 500 gallons. Quote Link to comment Share on other sites More sharing options...
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