Index: firmware/App/Modes/ModeGenDialysate.h
===================================================================
diff -u -rf6fb03f1e20395a61a5d5996f11f802ab8eacb2f -ra711f7995e555b503ed8c295f98fbe7bb9e5abf5
--- firmware/App/Modes/ModeGenDialysate.h	(.../ModeGenDialysate.h)	(revision f6fb03f1e20395a61a5d5996f11f802ab8eacb2f)
+++ firmware/App/Modes/ModeGenDialysate.h	(.../ModeGenDialysate.h)	(revision a711f7995e555b503ed8c295f98fbe7bb9e5abf5)
@@ -33,6 +33,7 @@
 
 #define FRESH_DIAL_PUMP_INITIAL_RPM             2500                                        ///< Nominal RPM target for fresh dialysate pump to maintain required pressure.
 #define SPENT_DIAL_PUMP_INITIAL_RPM             2300                                        ///< Nominal RPM target for spent dialysate pump to maintain required pressure.
+#define SPENT_DIAL_PUMP_FILL_RPM                350                                         ///< Nominal RPM target for spent chamber fill operations.
 
 /// Generate dialysate mode data structure
 typedef struct