Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -r44222e803e04d057ab793ce6b72902b8bfe9b7d0 -r05019ca03114d75099dd3ae6e09f776bd8a2c46e
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 44222e803e04d057ab793ce6b72902b8bfe9b7d0)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 05019ca03114d75099dd3ae6e09f776bd8a2c46e)
@@ -353,7 +353,6 @@
         {
             result = DG_FILL_MODE_STATE_DIALYSATE_PRODUCTION;
         }
-
     }
 
     if ( TRUE == didTimeout( waterQualityCheckStartTime, WATER_QUALITY_CHECK_TIME_OUT_MS ) )
@@ -501,13 +500,9 @@
 #ifndef DISABLE_MIXING
         requestConcentratePumpOn( CONCENTRATEPUMPS_CP1_ACID );
         requestConcentratePumpOn( CONCENTRATEPUMPS_CP2_BICARB );
-
-        if ( concentratePumpPrimeCount++ > CONCENTRATE_PUMP_PRIME_INTERVAL )
 #endif
-        {
-            setValveState( VPO, VALVE_STATE_FILL_C_TO_NC );
-            result = DG_FILL_MODE_STATE_DELIVER_DIALYSATE;
-        }
+        setValveState( VPO, VALVE_STATE_FILL_C_TO_NC );
+        result = DG_FILL_MODE_STATE_DELIVER_DIALYSATE;
     }
     else
     {