Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rfd89ed3ac616c0ee40e3ffc357d379cb2f4aa12a -r8c24d29d5a1c0b85067d67054fee2718d425bf47
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision fd89ed3ac616c0ee40e3ffc357d379cb2f4aa12a)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 8c24d29d5a1c0b85067d67054fee2718d425bf47)
@@ -609,7 +609,7 @@
             bicarbConductivitySampleCount = 0;
 
             // Set pumps flow rate to prepare for bicarb conductivity testing
-            setROPumpTargetFlowRateLPM( RO_PUMP_400_ML_PER_MIN / MILLILITERS_PER_LITER, TARGET_RO_PRESSURE_PSI );
+            setROPumpTargetFlowRateLPM( RO_PUMP_800_ML_PER_MIN / MILLILITERS_PER_LITER, TARGET_RO_PRESSURE_PSI );
 
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, BICARB_PUMP_40_ML_PER_MIN );
             requestConcentratePumpOn( CONCENTRATEPUMPS_CP2_BICARB );