     commandString.concat("4.00");
   if(arg=="high")
     commandString.concat("10.00");
-  executeRequest(PH_ADDRESS,commandString);
+  Serial.println(executeRequest(PH_ADDRESS,commandString));
   return 0;
 }
 

  Particle.variable("pH", ph);
  Particle.variable("ORP", orp);
  Particle.variable("soc", soc);
  Particle.function("calibratePh",calibrate_ph);
  Particle.function("calibrateORP",calibrate_orp);
  Particle.function("check",check_calibrated);
  Particle.function("slope",check_slope);
  Particle.variable("wifi",wifi);


double orp = 0;
double soc = 0;
int wifi;
bool calibrationmode = false;

void setup() {
  //Serial.begin(9600);
  temp = 0;
  ph = 0;
  orp = 0;
  soc = 0;
  if (!Wire.isEnabled())
    Wire.begin();
  pinMode(POWER,OUTPUT);
