Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -ref228c197a9064df8472ae28be66423098147fb4 -re2649fad6129b795d1c9bf400fe505b3b6eb648f
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision ef228c197a9064df8472ae28be66423098147fb4)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision e2649fad6129b795d1c9bf400fe505b3b6eb648f)
@@ -1058,7 +1058,7 @@
     if ( ( DG_MODE_GENE == dgOpMode ) && ( DG_GEN_IDLE_MODE_STATE_FLUSH_WATER == dgSubMode ) )
     {
         // Drain both reservoirs and return to active res 2 before initial fills
-        if ( ( initialReservoirDrain[ inactiveReservoir ] != TRUE ) || ( inactiveReservoir != DG_RESERVOIR_1 ) )
+        if ( initialReservoirDrain[ inactiveReservoir ] != TRUE )
         {
             initialReservoirDrain[ inactiveReservoir ] = TRUE;
             state = PRE_TREATMENT_RESERVOIR_MGMT_REQUEST_RESERVOIR_SWITCH_STATE;