Index: firmware/App/Controllers/DryBiCart.c
===================================================================
diff -u -red905d00fa0550676fda4d3a8babb268253eb429 -re0c45d9de83e4ca48c8bf01cf546729c2e611c95
--- firmware/App/Controllers/DryBiCart.c	(.../DryBiCart.c)	(revision ed905d00fa0550676fda4d3a8babb268253eb429)
+++ firmware/App/Controllers/DryBiCart.c	(.../DryBiCart.c)	(revision e0c45d9de83e4ca48c8bf01cf546729c2e611c95)
@@ -116,7 +116,6 @@
 #define BICARB_DEADBAND_CONTROL                     50.0F                                       ///< Dry Bicarb dead band control
 #define ACID_DEADBAND_CONTROL                       100.0F                                      ///< Acid dead band control
 
-#define STD_MIX_BC_VOLUME                           30.0F                                       ///< Standard balancing chamber volume
 #define TARGET_ADJ_BICARB_SETTING                   137.0F                                      ///< User defined Bicarb setting
 #define TARGET_ADJ_NA_SETTINGS                      32.0F                                       ///< User defined Na setting