Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -radeea598350354a833fff375526b888d0e6b6d48 -r7ce76ebd80b818d51dc61fd7f0c0fe94a242d182
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision adeea598350354a833fff375526b888d0e6b6d48)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 7ce76ebd80b818d51dc61fd7f0c0fe94a242d182)
@@ -352,7 +352,6 @@
         {
             result = DG_FILL_MODE_STATE_DIALYSATE_PRODUCTION;
         }
-
     }
 
     if ( TRUE == didTimeout( waterQualityCheckStartTime, WATER_QUALITY_CHECK_TIME_OUT_MS ) )
@@ -500,13 +499,9 @@
 #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
     {