Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -rd47b6f178dd68d49962c72a5ccb6e98152a2a1d0 -r14dcf3e005ddd9acf48286f63b8561c05275b0ff
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision d47b6f178dd68d49962c72a5ccb6e98152a2a1d0)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 14dcf3e005ddd9acf48286f63b8561c05275b0ff)
@@ -50,7 +50,7 @@
 #define MAX_DIAL_IN_PUMP_PWM_DUTY_CYCLE      0.89F           ///< Controller will error if PWM duty cycle > 90%, so set max to 89%.
 #define MIN_DIAL_IN_PUMP_PWM_DUTY_CYCLE      0.10F           ///< Controller will error if PWM duty cycle < 10%, so set min to 10%.
 
-#define DIP_CONTROL_INTERVAL_SEC             10              ///< Dialysate inlet pump control interval (in seconds).
+#define DIP_CONTROL_INTERVAL_SEC             4               ///< Dialysate inlet pump control interval (in seconds).
 /// Interval (ms/task time) at which the dialIn pump is controlled.
 static const U32 DIP_CONTROL_INTERVAL      = ( DIP_CONTROL_INTERVAL_SEC * MS_PER_SECOND / TASK_GENERAL_INTERVAL );
 #define DIP_P_COEFFICIENT                    0.0001F         ///< P term for dialIn pump control.