Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r8436bb33a488e4471ad8c9d66bdbfcf50589f25b -r0088dea98304e1b8790cc842b6a92154169b9982
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 8436bb33a488e4471ad8c9d66bdbfcf50589f25b)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 0088dea98304e1b8790cc842b6a92154169b9982)
@@ -1499,25 +1499,28 @@
 {
     if ( ++treatmentParamsRangesBroadcastTimerCtr >= getU32OverrideValue( &treatmentParamRangesPublishInterval ) )
     {
+        // Compute values need to assess max dialysate rate with respect to 150L limit.
+        F32 dialVolumeSoFar    = (F32)( getTreatmentAvgDialysateFlowRate() * ( treatmentTimeMS / TREATMENT_PERIODIC_DATA_LOG_INTERVAL ) ) / (F32)( SEC_PER_MIN );
+        F32 maxQd              = ( (F32)MAX_DIALYSATE_VOLUME_ML - dialVolumeSoFar ) / ( (F32)CALC_TREAT_TIME_REMAINING_IN_SECS() / (F32)SEC_PER_MIN );
         // Compute minimum treatment duration
         U32 presTime = ( presTreatmentTimeSecs / SEC_PER_MIN );
         U32 elapseTime = CALC_ELAPSED_TREAT_TIME_IN_MIN();
         U32 minTime = MAX( (elapseTime + 2), getMinTreatmentTimeInMinutes() );  // Treatment duration cannot be < 1 hour. add two minutes to cover rounding and ensure it is valid for next minute
         // Compute maximum treatment duration (from both UF and dialysate volume perspectives)
-        U32 maxTimeRem = ( MAX_UF_VOLUME_ML - (U32)getUltrafiltrationReferenceVolume() ) / ( presUFRate > 0.0 ? (U32)presUFRate : 1 );
+        U32 maxTimeRem = ( MAX_UF_VOLUME_ML - (U32)getUltrafiltrationReferenceVolume() ) / ( presUFRate > 0.0F ? (U32)presUFRate : 1 );
         U32 maxTime1 = minTime + maxTimeRem;
         U32 maxTime2 = MAX_DIALYSATE_VOLUME_ML / getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW );
         U32 maxTime = MAX( maxTime1, maxTime2 );
         // Compute minimum UF volume
         F32 minUFVol = getUltrafiltrationReferenceVolume() + presUFRate;
         // Compute maximum UF volume (considering from adjustment of UF rate and time perspectives)
         F32 maxUFVol1 = minUFVol + ( (F32)( presTime - elapseTime ) * MAX_UF_RATE_ML_MIN );
-        F32 maxUFVol2 = ( presUFRate > 0.0 ? minUFVol + ( (F32)( MAX_TREATMENT_TIME_MINUTES - elapseTime - 1 ) * presUFRate ) : minUFVol );
+        F32 maxUFVol2 = ( presUFRate > 0.0F ? minUFVol + ( (F32)( MAX_TREATMENT_TIME_MINUTES - elapseTime - 1 ) * presUFRate ) : minUFVol );
         F32 maxUFVol = MAX( maxUFVol1, maxUFVol2 );
         // Compute minimum dialysate flow rate
         U32 minDialRate = MIN_DIAL_IN_FLOW_RATE;
         // Compute maximum dialysate flow rate from max dialysate volume perspective
-        U32 maxDialRate = MAX_DIALYSATE_VOLUME_ML / presTime;
+        U32 maxDialRate = ( maxQd > (F32)MIN_DIAL_IN_FLOW_RATE ? (U32)((S32)maxQd) : minDialRate );
 
         // Now ensure maximums do not exceed the literal maximums
         maxTime = MIN( maxTime, MAX_TREATMENT_TIME_MINUTES );