Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -rda2e3c510c11072220a77e1a30dd546ddff0e744 -rd64ce68a34e7a2fc8cdc67cecb7269dec440305d
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision da2e3c510c11072220a77e1a30dd546ddff0e744)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision d64ce68a34e7a2fc8cdc67cecb7269dec440305d)
@@ -51,9 +51,9 @@
 #define MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE        0.88            ///< Controller will error if PWM duty cycle > 90%, so set max to 88%.
 #define MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE        0.12            ///< Controller will error if PWM duty cycle < 10%, so set min to 12%.
 
-#define DOP_CONTROL_INTERVAL                    ( 1000 / TASK_GENERAL_INTERVAL ) ///< Interval (ms/task time) at which the dialysate outlet pump is controlled.
-#define DOP_P_COEFFICIENT                       0.0020          ///< P term for dialysate outlet pump control.
-#define DOP_I_COEFFICIENT                       0.0002          ///< I term for dialysate outlet pump control.
+#define DOP_CONTROL_INTERVAL                    ( 2000 / TASK_GENERAL_INTERVAL ) ///< Interval (ms/task time) at which the dialysate outlet pump is controlled.
+#define DOP_P_COEFFICIENT                       0.0025          ///< P term for dialysate outlet pump control.
+#define DOP_I_COEFFICIENT                       0.0005          ///< I term for dialysate outlet pump control.
 
 #define DOP_HOME_RATE                           100             ///< target pump speed (in estimate mL/min) for homing.
 #define DOP_HOME_TIMEOUT_MS                     10000           ///< maximum time allowed for homing to complete (in ms).