Index: firmware/App/Controllers/ConductivitySensors.c
===================================================================
diff -u -re9e5137f937e88f5c523bcaa5eca01607d084545 -r31ab7888ff43eb15ea63a7d52e1832c1649456b0
--- firmware/App/Controllers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision e9e5137f937e88f5c523bcaa5eca01607d084545)
+++ firmware/App/Controllers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision 31ab7888ff43eb15ea63a7d52e1832c1649456b0)
@@ -308,10 +308,10 @@
  *************************************************************************/
 static F32 calcCompensatedConductivity( F32 conductivity, F32 temperature )
 {
-    // EC = EC_25 * (1 + temp_coef * (temperature - 25))
+    // EC = EC_25 * (1 + temp_coef * ( temperature - 25 ))
     F32 const compensatedCoef  = ( 1.0 + ( COND_SENSOR_TEMPERATURE_COEF * ( temperature - COND_SENSOR_REFERENCE_TEMPERATURE ) ) );
 
-    return conductivity * compensatedCoef;
+    return conductivity / compensatedCoef;
 }
 
 /*********************************************************************//**