Index: firmware/App/Modes/ModeFlush.c
===================================================================
diff -u -r54e58f64179ea382d2e2c403c8c3b9a15a612636 -rd332a26f463cc5d209be77e562952f70775cf913
--- firmware/App/Modes/ModeFlush.c	(.../ModeFlush.c)	(revision 54e58f64179ea382d2e2c403c8c3b9a15a612636)
+++ firmware/App/Modes/ModeFlush.c	(.../ModeFlush.c)	(revision d332a26f463cc5d209be77e562952f70775cf913)
@@ -302,8 +302,8 @@
     setValveState( VPI, VALVE_STATE_CLOSED );
 
     // Request a tare for reservoir 1
-    tareLoadCell( LOAD_CELL_RESERVOIR_1_PRIMARY );
-    tareLoadCell( LOAD_CELL_RESERVOIR_1_BACKUP );
+    //tareLoadCell( LOAD_CELL_RESERVOIR_1_PRIMARY );
+    //tareLoadCell( LOAD_CELL_RESERVOIR_1_BACKUP );
 
     // Set the actuators to drain R1
     setValveState( VRD1, VALVE_STATE_OPEN );
@@ -339,9 +339,13 @@
     {
         if ( TRUE == isThisInitialDrain )
         {
+            // Request a tare for reservoir 1
+            tareLoadCell( LOAD_CELL_RESERVOIR_1_PRIMARY );
+            tareLoadCell( LOAD_CELL_RESERVOIR_1_BACKUP );
+
             // Request a tare for reservoir 2
-            tareLoadCell( LOAD_CELL_RESERVOIR_2_PRIMARY );
-            tareLoadCell( LOAD_CELL_RESERVOIR_2_BACKUP );
+            //tareLoadCell( LOAD_CELL_RESERVOIR_2_PRIMARY );
+            //tareLoadCell( LOAD_CELL_RESERVOIR_2_BACKUP );
         }
 
         // Close reservoir 1 drain
@@ -386,6 +390,9 @@
 
          if ( TRUE == isThisInitialDrain )
          {
+             tareLoadCell( LOAD_CELL_RESERVOIR_2_PRIMARY );
+             tareLoadCell( LOAD_CELL_RESERVOIR_2_BACKUP );
+
              // Set the actuators to flush drain
              setValveState( VPI, VALVE_STATE_OPEN );
              setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NO );
@@ -467,8 +474,8 @@
         setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, BICARB_PUMP_SPEED_ML_PER_MIN );
 
         // Turn on the concentrate pumps
-        requestConcentratePumpOn( CONCENTRATEPUMPS_CP1_ACID );
-        requestConcentratePumpOn( CONCENTRATEPUMPS_CP2_BICARB );
+        //requestConcentratePumpOn( CONCENTRATEPUMPS_CP1_ACID );
+        //requestConcentratePumpOn( CONCENTRATEPUMPS_CP2_BICARB );
 
         stateTimerStart = getMSTimerCount();