Index: firmware/App/Modes/Rinseback.c
===================================================================
diff -u -re7b65409100c66dfe8b1a18b89c5245adb21ce2d -r6d750c93f17571bbeba89404b63d87f37a9243af
--- firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision e7b65409100c66dfe8b1a18b89c5245adb21ce2d)
+++ firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 6d750c93f17571bbeba89404b63d87f37a9243af)
@@ -38,7 +38,7 @@
 
 // ********** private definitions **********
 
-#define DEFAULT_RINSEBACK_VOLUME_ML                 400.0F                  ///< Default rinseback volume (in mL).
+#define DEFAULT_RINSEBACK_VOLUME_ML                 350.0F                  ///< 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.