Index: firmware/App/Modes/Rinseback.c
===================================================================
diff -u -rda8a230122d868cadb2513ac418017ade0dfddf5 -r9eaf4fb933de9853b17a874bfe34e9bde424cea9
--- firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision da8a230122d868cadb2513ac418017ade0dfddf5)
+++ firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 9eaf4fb933de9853b17a874bfe34e9bde424cea9)
@@ -38,7 +38,7 @@
 
 // ********** private definitions **********
 
-#define DEFAULT_RINSEBACK_VOLUME_ML                 400.0F                  ///< Default rinseback volume (in mL).
+#define DEFAULT_RINSEBACK_VOLUME_ML                 300.0F                  ///< Default rinseback volume (in mL).
 #define MAX_TOTAL_ADDITIONAL_RINSEBACK_VOLUME_ML    300.0F                  ///< Maximum total additional rinseback volume allowed : all additionals (in mL).
 #define TARGET_ADDITIONAL_RINSEBACK_VOLUME_ML        50.0F                  ///< Target rinseback volume for an additional volume request (in mL).
 #define RINSEBACK_FLOW_RATE_ADJ_ML_MIN               25                     ///< Adjustment amount (in mL/min) to apply when user requests increase/decrease in flow rate.