     len++;
     sprintf(&buffer[len], "ORP:");
     len = strlen(buffer);
+    sprintf(&buffer[len], "mV=");
+    len = strlen(buffer);
     dtostrf(orp, 1, 2, &buffer[len]);
-    len = strlen(buffer);
-    sprintf(&buffer[len], ":mV");
 
     // Add ec 
     len = strlen(buffer);

const byte MULT_B = 43;
const byte MULT_C = 40;

const int id = 1;

// Analog I/O pins
const byte LIGHT = A13; // Not currently used

    Serial.read();
  }
  
  sprintf(buffer2, "{\"sensorIdentifier\":\"%s\",\"data\":\"%s\"}",
                    id, data);

  Serial.print("POST message: ");
