Index: firmware/App/Controllers/ROPump.h
===================================================================
diff -u -r677d24e39a17598b46bb5a4656a0dd79cf6596e5 -r863f8f88c73ee5dd285242f6e131a14862b4f5c4
--- firmware/App/Controllers/ROPump.h	(.../ROPump.h)	(revision 677d24e39a17598b46bb5a4656a0dd79cf6596e5)
+++ firmware/App/Controllers/ROPump.h	(.../ROPump.h)	(revision 863f8f88c73ee5dd285242f6e131a14862b4f5c4)
@@ -32,8 +32,8 @@
 
 // ********** public definitions **********
 
-#define MAX_RO_FLOWRATE_LPM                        1.5F       ///< Maximum target RO flow rate in L/min.
-#define MIN_RO_FLOWRATE_LPM                        0.0F       ///< Minimum target RO flow rate in L/min.
+#define MAX_RO_FLOWRATE_MLPM                       1500       ///< Maximum target RO flow rate in L/min.
+#define MIN_RO_FLOWRATE_MLPM                       0          ///< Minimum target RO flow rate in L/min.
 #define MAX_RO_PRESSURE_PSI                        120.0F     ///< Maximum allowed pressure that the RO pump can go to.
 #define MIN_RO_PRESSURE_PSI                        10.0F      ///< Minimum allowed pressure that the RO pump can go to.
 
@@ -45,7 +45,7 @@
     U32 p12PumpFBDutyCycle;                     ///< RO pump feedback duty cycle.
     F32 p12PumpSpeed;                           ///< RO pump speed (RPM).
     F32 p12TargetPressure;                      ///< RO pump target pressure for control.
-    F32 p12TargetFlow;                          ///< RO pump target flow ( in L/min ) for control.
+    F32 p12TargetFlow;                          ///< RO pump target flow ( in mL/min ) for control.
     F32 p12TargetDutyCycle;                     ///< RO pump target duty cycle for open loop control.
 } RO_PUMP_DATA_T;
 
@@ -58,12 +58,12 @@
 void signalROPumpHardStop( void );
 BOOL isROPumpRunning( void );
 
-BOOL setROPumpTargetFlowRateLPM( F32 roFlowRate );
+BOOL setROPumpTargetFlowRateMLPM( U32 roFlowRate );
 BOOL setROPumpTargetPressure( F32 roPressure );
 BOOL setROPumpTargetDutyCycle( F32 duty );
 
 F32 getROFeedbackDutyCycle( void );
-F32 getTargetROPumpFlowRateLPM( void );
+U32 getTargetROPumpFlowRateMLPM( void );
 F32 getTargetROPumpPressure( void );
 
 BOOL testROPumpDataPublishIntervalOverride( MESSAGE_T *message );