Index: firmware/App/Controllers/ConcentratePumps.h
===================================================================
diff -u -rfd897db8177752330ad08d877e0a13620513dbdc -rf1dc3383b840c39f202b15679e0bbe2b2f7a2f83
--- firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision fd897db8177752330ad08d877e0a13620513dbdc)
+++ firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision f1dc3383b840c39f202b15679e0bbe2b2f7a2f83)
@@ -32,11 +32,12 @@
 // ********** public definitions **********
 // For 150 RPM, Diener pump delivers 60ml/min
 #define CONCENTRATE_PUMP_MAX_SPEED              200.0F              ///< Maximum Diener pump speed for concentrate pump in mL/min
-#define DOSING_CONCENTRATE_PUMP_SPEED           100.0F              ///< Diener pump speed for acid and bicarb dosing pump speed in mL/min
+#define DOSING_ACID_CONCENTRATE_PUMP_SPEED      100.0F              ///< Diener pump speed for acid pump
+#define DOSING_CONCENTRATE_PUMP_SPEED           100.F               ///< Dosing pump speed for spent chamber fill for acid and bicarb pumps
 #define DRAIN_BICART_PUMP_SPEED                 200.0F              ///< Diener pump speed for cartridge drains at maximum speed in mL/min 
 
 #define DEFAULT_ACID_VOLUME_ML                  0.666666667F        ///< Acid concentrate volume in ml.
-#define DEFAULT_BICARB_VOLUME_ML                1.146666667F        ///< Bicarb concentrate volume in ml.
+#define DEFAULT_BICARB_VOLUME_ML                0.95F               ///< Bicarb concentrate volume in ml.
 
 #define DOSING_CONT_VOLUME                      0xFFFFFFFF          ///< Volume set to 0xFFFFFFFF enables continuous delivery based on the speed set.