Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rcb4d35cc50df2d3cc9e828cd92e53cf456ca9b9d -r8074ecece0b11532c173ad951a98036f0c54ca52
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision cb4d35cc50df2d3cc9e828cd92e53cf456ca9b9d)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision 8074ecece0b11532c173ad951a98036f0c54ca52)
@@ -18,6 +18,7 @@
 #include "ConcentratePumps.h"
 #include "ConductivitySensors.h"
 #include "DrainPump.h"
+#include "FlowSensors.h"
 #include "Heaters.h"
 #include "LoadCell.h"
 #include "MessageSupport.h"
@@ -1084,7 +1085,7 @@
     DG_CHEM_DISINFECT_STATE_T state = DG_CHEM_DISINFECT_STATE_FILL_WITH_WATER_AND_DISINFECTANT;
 
     // Get the flow rate that is used for mixing
-    F32 measuredROFlowRate = getMeasuredROFlowRateLPM();
+    F32 measuredROFlowRate = getMeasuredFlowRateLPM( RO_FLOW_SENSOR );
 
     // If the flow is less than the minimum, request the concentrate pump to be on but do
     // control it.