sxs191 Posted October 8, 2015 Report Share Posted October 8, 2015 This morning I tested my hot tub, it read... Free Chlorine: .5 PH: 8.0 Alkalinity: 140. I put PH reducer in (the recommended amount) to bring it down a bit. I tested it an hour later and it reads. PH: 8.4 Alkalinity: 40. I put Alkalinity enhancer in it to bring that back up so I can try again to get the PH down.. Any idea what I am doing wrong? Thanks, Scott Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted October 12, 2015 Report Share Posted October 12, 2015 What are you using to test the water? Quote Link to comment Share on other sites More sharing options...
sxs191 Posted October 16, 2015 Author Report Share Posted October 16, 2015 I used this; AquaChek TruTest Digital Test Strip Reader Kit. I am beginning to think it's not the most accurate testor. Quote Link to comment Share on other sites More sharing options...
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