The conductivity is zero or the temperature is negative, what should I do? Riiot Labs August 14, 2018 10:25 Updated Follow Contact your dealer. Related articles The values of Blue are not correct, what should I do? The ORP is negative / very low / does not appear or very low while the pool is well disinfected, what should I do? My ORP is not high enough but the app only asks me to correct the pH, what should I do? I can not take a measurement / I do not receive the measurements, what should I do? The pH value is very unstable, what should I do? Comments 0 comments Please sign in to leave a comment.