Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -rf9a4906ada0b1ff467c23eb1e44784e343bdeca8 -r80542b5bd4c20d5898290dfcaf30a4cdb151f3e7
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision f9a4906ada0b1ff467c23eb1e44784e343bdeca8)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 80542b5bd4c20d5898290dfcaf30a4cdb151f3e7)
@@ -49,7 +49,7 @@
 #define PRE_TREATMENT_MIN_FILL_RESERVOIR_VOLUME_ML      125             ///< Fill reservoir to this volume minimum to prep volume during development.
 #define PRE_TREATMENT_FLUSH_RESERVOIR_VOLUME_ML         500             ///< Fill reservoir to this volume (in mL) to flush filter and lines.
 #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      600             ///< Fill reservoir two to this volume (in mL) during pre-treatment mode.
+#define PRE_TREATMENT_FILL_RESERVOIR_TWO_VOLUME_ML      750             ///< Fill reservoir two to this volume (in mL) during pre-treatment mode.
 #define PRE_TREATMENT_FULL_RESERVOIR_VOLUME_ML          1500            ///< Fill reservoir to this volume minimum to prep volume during development.
 
 #define PRE_TREATMENT_FLUSH_COUNT                       2               ///< Number of flush cycles for each reservoir.
Index: firmware/App/Services/Reservoirs.c
===================================================================
diff -u -rceeba51c01b896855eb03ab81281a2b0f48c75d2 -r80542b5bd4c20d5898290dfcaf30a4cdb151f3e7
--- firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision ceeba51c01b896855eb03ab81281a2b0f48c75d2)
+++ firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision 80542b5bd4c20d5898290dfcaf30a4cdb151f3e7)
@@ -34,7 +34,7 @@
 #define RESERVOIR_SETTLE_TIME_MS                          5000                                           ///< Allocated time to settle the filled reservoir in milliseconds.
 #define RESERVOIR_CYCLE_EXTRA_MARGIN_TIME_MS              8000                                           ///< Reservoir extra time in during the cycle for error in milliseconds.
 
-#define MAX_RESERVOIR_VOLUME_ML                           1950.0                                         ///< Maximum allowed fluid in a reservoir in milliliters.
+#define MAX_RESERVOIR_VOLUME_ML                           1900.0F                                        ///< Maximum allowed fluid in a reservoir in milliliters.
 #define MAX_RESERVOIR_DILUTION                            0.15F                                          ///< Maximum reservoir dilution limit.
 #define MAX_RESERVOIR_RECIRCULATION                       1.1F                                           ///< Maximum reservoir recirculation limit.