Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rca7bc09ad4fda0ad3578480b2ccf72d545937284 -r81b059a5b624c2611eaabd918093cf9330c17969
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision ca7bc09ad4fda0ad3578480b2ccf72d545937284)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 81b059a5b624c2611eaabd918093cf9330c17969)
@@ -45,8 +45,8 @@
 // ********** private definitions **********
 
 #define TARGET_RO_PRESSURE_PSI                          130                                                  ///< Target pressure for RO pump.
-#define RO_PUMP_400_ML_PER_MIN                          400.0                                                ///< RO pump speed of 400.0 mL/minute.
-#define RO_PUMP_800_ML_PER_MIN                          800.0                                                ///< RO pump speed of 800.0 mL/minute.
+#define RO_PUMP_400_ML_PER_MIN                          0.4                                                  ///< RO pump speed of 400.0 mL/minute.
+#define RO_PUMP_800_ML_PER_MIN                          0.8                                                  ///< RO pump speed of 800.0 mL/minute.
 #define ACID_PUMP_20_ML_PER_MIN                         20.0                                                 ///< Acid pump speed of 20.0 mL/minute.
 #define BICARB_PUMP_40_ML_PER_MIN                       40.0                                                 ///< Bicarb pump speed of 40.0 mL/minute.