Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -rdeba34e5074da9ac97d8bcbe995f554eec5c70ed -rf8a9855f80d7f8f10a4e2468d18ee825ef8a5e72
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision deba34e5074da9ac97d8bcbe995f554eec5c70ed)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision f8a9855f80d7f8f10a4e2468d18ee825ef8a5e72)
@@ -59,7 +59,7 @@
 #define SPENT_DIFF_COUNT_ZERO                       0                                           ///< Zero count difference for spent side fill comparing target count
 #define D48_SPEED_ADJUST_FACTOR                     0.5F                                        ///< D48 speed adjustment factor ( 50% of speed adjustment = 0.5)
 #define D48_SPEED_RANGE_LIMIT                       0.25F                                       ///< D48 speed adjustment range check limit ( D48 speed can vary +/-25% of initial calculated speed)
-#define BICARB_CHAMBER_PERIODIC_FILL_TIME               ( 1 * SEC_PER_MIN * ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) ) ///< Periodic bicarb chamber fill request 60 sec x 20 = 1200
+#define BICARB_CHAMBER_PERIODIC_FILL_TIME          ( 2 * SEC_PER_MIN * ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) ) ///< Periodic bicarb chamber fill request 60 sec x 20 = 1200
 #define BAL_CHAMBER_FILL_TIMEOUT_FACTOR             1.5                                         ///< Balancing Chamber fill timeout factor (150% of observed fill count)
 
 /// Payload record structure for balancing chamber switch only request