Index: firmware/App/Controllers/DrainPump.c
===================================================================
diff -u -r96b5f969bbba7b44593c85c8ac003be0a2d87151 -recc3eef231cd2527274969e057d9b4763caa273f
--- firmware/App/Controllers/DrainPump.c	(.../DrainPump.c)	(revision 96b5f969bbba7b44593c85c8ac003be0a2d87151)
+++ firmware/App/Controllers/DrainPump.c	(.../DrainPump.c)	(revision ecc3eef231cd2527274969e057d9b4763caa273f)
@@ -665,7 +665,7 @@
         F32 drainPumpOutletPressurePSI = getMeasuredDGPressure( PRESSURE_SENSOR_DRAIN_PUMP_OUTLET );
         F32 roPumpOutletPressurePSI    = getMeasuredDGPressure( PRESSURE_SENSOR_RO_PUMP_OUTLET );
         F32 targetROFlowLPM            = getDrainPumpTargetOutletFlowLPM();
-        F32 msrdROFlowLPM              = getMeasuredFlowRateLPM( RO_FLOW_SENSOR );
+        F32 msrdROFlowLPM              = getMeasuredROFlowRateWithConcPumpsLPM();
         F32 flowSubLPM                 = msrdROFlowLPM - targetROFlowLPM;
 
         if ( TRUE == isDrainPumpControlInFlowMode )