Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -r3fa496b611a3a84c8aaa882a1b27762c6bc0024c -rb1a38b584f64994784d31c50c8f21027bde1697c
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 3fa496b611a3a84c8aaa882a1b27762c6bc0024c)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision b1a38b584f64994784d31c50c8f21027bde1697c)
@@ -117,8 +117,8 @@
 #define DOP_PWM_TO_MOTOR_SPEED_RPM(pwm,dir)     ( ( ( ( pwm ) - DOP_PWM_ZERO_OFFSET) * DOP_100_PCT_PWM_RPM_RANGE ) * ( dir == MOTOR_DIR_FORWARD ? 1.0F : -1.0F ) )
 /// Conversion from RPM to PWM duty cycle %.
 #define DOP_MOTOR_SPEED_RPM_TO_PWM(rpm)         ( ( (F32)(rpm) / DOP_100_PCT_PWM_RPM_RANGE ) + DOP_PWM_ZERO_OFFSET )
-/// Macro converts a PWM to an estimated flow rate.
-#define DOP_ML_PER_MIN_FROM_PWM(pwm)            ( ( ( pwm - DOP_PWM_ZERO_OFFSET ) - 0.0972F ) / 0.00072F  )
+/// Macro converts a PWM to an estimated flow rate.  COMMENTED BUT SAVED FOR FUTURE USE.
+//#define DOP_ML_PER_MIN_FROM_PWM(pwm)            ( ( ( pwm - DOP_PWM_ZERO_OFFSET ) - 0.0972F ) / 0.00072F  )
 /// Macro converts a PWM to an estimated flow rate (basic version).
 #define DOP_ML_PER_MIN_FROM_PWM_BASIC(pwm)      ( ( ( ( pwm ) - DOP_PWM_ZERO_OFFSET ) * DOP_100_PCT_PWM_RPM_RANGE ) * 0.2 )
 
@@ -388,10 +388,11 @@
 {
     BOOL result = FALSE;
     F32 pwm = DOP_MOTOR_SPEED_RPM_TO_PWM( rpm );
-    F32 targetRate = DOP_ML_PER_MIN_FROM_PWM( pwm );
 
-    result = setDialOutPumpTargetRate( (U32)targetRate, dir, PUMP_CONTROL_MODE_OPEN_LOOP );
+    pwm = ( MOTOR_DIR_REVERSE == dir ? pwm * -1.0F : pwm );
 
+    result = setDialOutPumpToFixedPWM( pwm );
+
     return result;
 }