Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -r6ebbc7eb52b9b6fa0ef128e86e7a4be29971ad4c -rff489c668da0650496eef9d85ac327dd38498f2d
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 6ebbc7eb52b9b6fa0ef128e86e7a4be29971ad4c)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision ff489c668da0650496eef9d85ac327dd38498f2d)
@@ -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 );