Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r9e2667ac9d2f1b2add9811f93477f0365f1b4eb7 -r6cd85442baebdeecec6fc9b5009011b8d961f45c
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 9e2667ac9d2f1b2add9811f93477f0365f1b4eb7)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 6cd85442baebdeecec6fc9b5009011b8d961f45c)
@@ -34,14 +34,13 @@
 
 // ********** private definitions **********
 
-///< Interval (ms/task time) at which the pre-treatment state data is published on the CAN bus.
-#define PRE_TREATMENT_DATA_PUB_INTERVAL        ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
+/// Interval (ms/task time) at which the pre-treatment state data is published on the CAN bus.
+#define PRE_TREATMENT_DATA_PUB_INTERVAL                 ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
 
 #define DIP_PATIENT_CONNECTION_FLOW_RATE_ML_MIN         100             ///< Patient connection sub-mode dialysate inlet pump flow rate in mL/min.
 
-/// Fill reservoir one to this volume (in mL) during prime.
-#define PRE_TREATMENT_FILL_RESERVOIR_ONE_VOLUME_ML      ( FILL_RESERVOIR_TO_VOLUME_ML - PRIME_CONSUMED_DIALYSATE_VOLUME_ML )
-#define PRE_TREATMENT_FILL_RESERVOIR_TWO_VOLUME_ML      500             ///< Fill reservoir two to this volume (in mL) during prime.
+#define PRE_TREATMENT_FILL_RESERVOIR_ONE_VOLUME_ML      1300            ///< Fill reservoir one to this volume (in mL) during pre-treatment mode.
+#define PRE_TREATMENT_FILL_RESERVOIR_TWO_VOLUME_ML      700             ///< Fill reservoir two to this volume (in mL) during pre-treatment mode.
 
 /// States of the pre-treatment reservoir management state machine.
 typedef enum PreTreatmentReservoirMgmt_States