Index: firmware/App/Controllers/ROPump.c
===================================================================
diff -u -ra069eb423b26296eb95214e18383c81adae07497 -reeb4e9c7c8ca2bc41168353c3d30f311080972b2
--- firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision a069eb423b26296eb95214e18383c81adae07497)
+++ firmware/App/Controllers/ROPump.c	(.../ROPump.c)	(revision eeb4e9c7c8ca2bc41168353c3d30f311080972b2)
@@ -354,9 +354,10 @@
     if ( ++flowFilterCounter >= FLOW_SAMPLES_TO_AVERAGE )
     {
         F32 flow = RO_FLOW_ADC_TO_LPM_FACTOR / ( (F32)measuredFlowReadingsSum * FLOW_AVERAGE_MULTIPLIER );
-            flow = flow - ( getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP1_ACID ) / 1000.0 ) -
-                          ( getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP2_BICARB ) / 1000.0 );
 
+            flow = flow - ( getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP1_ACID ) / ML_PER_LITER ) -
+                          ( getMeasuredPumpSpeed( CONCENTRATEPUMPS_CP2_BICARB ) / ML_PER_LITER );
+
         measuredROFlowRateLPM.data = pow(flow, 4) * flowSensorsCalRecord.flowSensors[ CAL_DATA_RO_PUMP_FLOW_SENSOR ].fourthOrderCoeff +
                                      pow(flow, 3) * flowSensorsCalRecord.flowSensors[ CAL_DATA_RO_PUMP_FLOW_SENSOR ].thirdOrderCoeff  +
                                      pow(flow, 2) * flowSensorsCalRecord.flowSensors[ CAL_DATA_RO_PUMP_FLOW_SENSOR ].secondOrderCoeff +