Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -r1c628bfd5d6414b74b8cbd083f66839888a8236b -r9034e1809869ded91cc2f878df0d9c0fd0b89d16
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 1c628bfd5d6414b74b8cbd083f66839888a8236b)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 9034e1809869ded91cc2f878df0d9c0fd0b89d16)
@@ -515,7 +515,7 @@
         }
         else
         {   // Closed loop UF control is only controlling offset from DPi PWM
-            resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, (F32)( (S32)lastGivenRate - getTargetDialInFlowRate() ) * UF_PWM_DC_PCT_PER_ML_PER_MIN );
+            resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, dialOutPumpPWMDutyCyclePctSet - getDialInPumpPWMDutyCyclePct() );
         }
         dialOutPumpControlModeSet = dialOutPumpControlMode;
         setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePctSet );
@@ -560,7 +560,7 @@
         }
         else
         {   // Closed loop UF control is only controlling offset from DPi PWM
-            resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, (F32)( (S32)lastGivenRate - getTargetDialInFlowRate() ) * UF_PWM_DC_PCT_PER_ML_PER_MIN );
+            resetPIController( PI_CONTROLLER_ID_ULTRAFILTRATION, dialOutPumpPWMDutyCyclePctSet - getDialInPumpPWMDutyCyclePct() );
         }
         dialOutPumpControlModeSet = dialOutPumpControlMode;
         setDialOutPumpControlSignalPWM( dialOutPumpPWMDutyCyclePctSet );