Index: firmware/App/Controllers/DGInterface.h
===================================================================
diff -u -r2f2419f67d9d458837893fef5cc1b21870021026 -r6cb41faf89ea5500a378c2d845c1b9bb552b4b30
--- firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 2f2419f67d9d458837893fef5cc1b21870021026)
+++ firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 6cb41faf89ea5500a378c2d845c1b9bb552b4b30)
@@ -32,7 +32,7 @@
 
 // ********** public definitions **********
 
-#define DRAIN_RESERVOIR_TO_VOLUME_ML        200     ///< Drain reservoir to this volume (in mL) during treatment.
+#define DRAIN_RESERVOIR_TO_VOLUME_ML        0       ///< Drain reservoir to this volume (in mL) during treatment.
 #ifndef V1_5_SYSTEM
 #define FILL_RESERVOIR_TO_VOLUME_ML         1700    ///< Fill reservoir to this volume (in mL) during treatment.
 #else