Index: firmware/App/Controllers/MixingControl.c
===================================================================
diff -u -r39fbf9fd993d5e735092cf4ad802d58d0f92f7b1 -r337209eec0c5a2a879f2df587e989f19f5a1effe
--- firmware/App/Controllers/MixingControl.c	(.../MixingControl.c)	(revision 39fbf9fd993d5e735092cf4ad802d58d0f92f7b1)
+++ firmware/App/Controllers/MixingControl.c	(.../MixingControl.c)	(revision 337209eec0c5a2a879f2df587e989f19f5a1effe)
@@ -88,6 +88,7 @@
 #define ACID_PCT_IN_DIALYSTATE                      ( ( STD_45X_CONC_MIX_ACID_PART / TOTAL_STD_45X_MIX_PART ) )                                     ///< Acid percent in Dialysate
 #define BICARB_PCT_IN_DIALYSATE                     ( ( STD_45X_CONC_MIX_BICARB_PART / TOTAL_STD_45X_MIX_PART) )                                    ///< Bicarb Percent in Dialysate
 #define WATER_PCT_IN_DIALYSATE                      ( ( STD_45X_CONC_MIX_WATER_PART / TOTAL_STD_45X_MIX_PART) )                                     ///< Water percent in Dialysate
+// TODO: get balancing chamber fill volume later
 #define RO_WATER_VOLUME_ML                          ( BAL_CHAMBER_FILL_VOLUME_ML * WATER_PCT_IN_DIALYSATE )                                         ///< Water volume
 #define ACID_MIX_VOLUME_ML                          ( BAL_CHAMBER_FILL_VOLUME_ML * ACID_PCT_IN_DIALYSTATE )                                         ///< Acid volume
 #define BICARB_MIX_VOLUME_ML                        ( BAL_CHAMBER_FILL_VOLUME_ML * BICARB_PCT_IN_DIALYSATE )                                        ///< Bicarb volume