Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -re9e339870c5ed01230963f00d400331ab879c91f -rb87bac344f39b289e83d4794fba4e53cf3dac94a
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision e9e339870c5ed01230963f00d400331ab879c91f)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision b87bac344f39b289e83d4794fba4e53cf3dac94a)
@@ -74,6 +74,7 @@
 static U32  presTreatmentTimeSecs;                              ///< Prescribed treatment time (in seconds).
 static F32  presUFVolumeL;                                      ///< Prescribed ultrafiltration volume (in L).
 static F32  presUFRateLHr;                                      ///< Prescribed ultrafiltration rate (in L/hr).
+static F32  presUFRateMlMin;                                    ///< Prescribed ultrafiltration rate (in mL/Min).
 
 static U32  treatmentTimeMS;                                    ///< Elapsed treatment time (in ms).
 static U32  lastTreatmentTimeStamp;                             ///< Last time elapsed treatment time was recorded (a timestamp in ms).
@@ -160,6 +161,7 @@
     presTreatmentTimeSecs = 0;
     presUFVolumeL = 0.0F;
     presUFRateLHr = 0.0F;
+    presUFRateMlMin = 0.0F;
 
     resetSignalFlags();
     resetAlarmSignalFlags();
@@ -209,11 +211,12 @@
     presTreatmentTimeSecs = getTreatmentParameterU32( TREATMENT_PARAM_TREATMENT_DURATION ) * SEC_PER_MIN;
     presUFVolumeL = getTreatmentParameterF32( TREATMENT_PARAM_UF_VOLUME );
     presUFRateLHr = presUFVolumeL / ( (F32)getTreatmentParameterU32( TREATMENT_PARAM_TREATMENT_DURATION ) / (F32)MIN_PER_HOUR );
-    setDialysisDDParams( getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presUFVolumeL, presUFRateLHr );
+    presUFRateMlMin = ( presUFVolumeL * (F32)ML_PER_LITER ) / (F32)getTreatmentParameterU32( TREATMENT_PARAM_TREATMENT_DURATION );
+    setDialysisDDParams( getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presUFVolumeL, presUFRateMlMin );
     bicarbConvFactor = BICARBONATE_CONVERSION_FACTOR;
 
     // Direct DD to generate dialysate and bypass while priming blood
-    cmdStartGenerateDialysate( (F32)getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presUFRateLHr,
+    cmdStartGenerateDialysate( (F32)getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presUFRateMlMin,
                                getTreatmentParameterF32( TREATMENT_PARAM_DIALYSATE_TEMPERATURE ), TRUE,
                                getTreatmentParameterF32( TREATMENT_PARAM_ACID_CONCENTRATE_CONV_FACTOR ),
                                bicarbConvFactor,