Index: firmware/App/Controllers/ConcentratePumps.h
===================================================================
diff -u -r6499ea25921fcf67826fa0c35bb03caf411ba542 -ra1c2136dc760870fcaadace67e566f026c46c019
--- firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision 6499ea25921fcf67826fa0c35bb03caf411ba542)
+++ firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision a1c2136dc760870fcaadace67e566f026c46c019)
@@ -39,7 +39,9 @@
 /// Enumeration of concentrate pumps.
 typedef enum ConcentratePumps
 {
+
     CONCENTRATEPUMPS_CP1_ACID = 0,                              ///< Acid concentrate pump
+    CONCENTRATEPUMPS_FIRST = CONCENTRATEPUMPS_CP1_ACID,         ///< First concentrate pump in list
     CONCENTRATEPUMPS_CP2_BICARB,                                ///< Bicarbonate concentrate pump
     NUM_OF_CONCENTRATE_PUMPS                                    ///< Number of concentrate pumps
 } CONCENTRATE_PUMPS_T;