Index: firmware/App/Controllers/MixingControl.c
===================================================================
diff -u -r43ebe58702128e865210533f9e6deaf13f99d262 -rf1dc3383b840c39f202b15679e0bbe2b2f7a2f83
--- firmware/App/Controllers/MixingControl.c	(.../MixingControl.c)	(revision 43ebe58702128e865210533f9e6deaf13f99d262)
+++ firmware/App/Controllers/MixingControl.c	(.../MixingControl.c)	(revision f1dc3383b840c39f202b15679e0bbe2b2f7a2f83)
@@ -46,8 +46,8 @@
 #define MIXING_CONTROL_DATA_PUBLISH_INTERVAL        ( 250 / TASK_GENERAL_INTERVAL )                         ///< Interval (ms/task time) at which the mixing control data published.
 
 // drybicarb mixing
-#define BICARB_VOL_CONTROL_P_COEFFICIENT            ( 0.00008484F * 2 )                                     ///< Bicarb proportional gain (kp)
-#define BICARB_VOL_CONTROL_I_COEFFICIENT            ( 0.00033936F / 4 )                                     ///< Bicarb integral gain. (ki)
+#define BICARB_VOL_CONTROL_P_COEFFICIENT            ( 0.00008484F )                                         ///< Bicarb proportional gain (kp)
+#define BICARB_VOL_CONTROL_I_COEFFICIENT            ( 0.00033936F / 8 )                                     ///< Bicarb integral gain. (ki)
 #define MIN_BICARB_VOLUME_ML                        0.4F                                                    ///< Minimum bicarb volume in mL
 #define MAX_BICARB_VOLUME_ML                        1.8F                                                    ///< Maximum bicarb volume in mL
 
@@ -72,8 +72,8 @@
 #define BICARB_MIX_CONTROL_INTERVAL_MULTIPLIER      ( 3 * MS_PER_SECOND / TASK_GENERAL_INTERVAL )           ///< Interval (ms/task time) at which the bicarb mix is controlled.
 #define ACID_MIX_CONTROL_INTERVAL_MULTIPLIER        ( 5 * MS_PER_SECOND / TASK_GENERAL_INTERVAL )           ///< Interval (ms/task time) at which the dialysate mix is controlled.
 
-#define BICARB_DEADBAND_CONTROL                     15.0F                                                   ///< Bicarb dead band control
-#define ACID_DEADBAND_CONTROL                       50.0F                                                   ///< Acid dead band control
+#define BICARB_DEADBAND_CONTROL                     30.0F                                                   ///< Bicarb dead band control
+#define ACID_DEADBAND_CONTROL                       70.0F                                                   ///< Acid dead band control
 
 // Proportioning Ratios: 1 Part Acid : 1.72 Parts Bicarb : 42.28 Parts Water
 // Total parts = 1 + 1.72 + 42.28 = 45.0