Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -ra7675f3c917b632cf16207fc7ccfc1f38eb83f9b -r450fd51053df274149ec091955baa33e23e1c7a7
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision a7675f3c917b632cf16207fc7ccfc1f38eb83f9b)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 450fd51053df274149ec091955baa33e23e1c7a7)
@@ -104,7 +104,8 @@
 #define DOP_PWM_ZERO_OFFSET                     0.1F            ///< 10% PWM duty cycle = zero speed.
 
 /// Macro converts a flow rate to an estimated PWM duty cycle %.
-#define DOP_PWM_FROM_ML_PER_MIN(rate)           ( (rate) * DOP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * DOP_GEAR_RATIO * DOP_MOTOR_RPM_TO_PWM_DC_FACTOR + DOP_PWM_ZERO_OFFSET )
+#define DOP_PWM_FROM_ML_PER_MIN(rate)           ( ( (rate) * 0.0009 ) + 0.0972 + DOP_PWM_ZERO_OFFSET )  // TODO - need to consider BP rate?
+//#define DOP_PWM_FROM_ML_PER_MIN(rate)           ( (rate) * DOP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * DOP_GEAR_RATIO * DOP_MOTOR_RPM_TO_PWM_DC_FACTOR + DOP_PWM_ZERO_OFFSET )
 /// Conversion from PWM duty cycle % to commanded pump motor speed.
 #define DOP_PWM_TO_MOTOR_SPEED_RPM(pwm)         ( ((pwm) - DOP_PWM_ZERO_OFFSET) * 4000.0F )
 
@@ -238,7 +239,7 @@
 
     dopMeasuredRate = 0.0;
     ufMeasuredRate = 0.0;
-    dopRateCorrectionOffset = 40.0;  // TODO - set to 0.0 when we have a better dop flow estimate.
+    dopRateCorrectionOffset = 0.0;
     resetDialOutFlowMovingAverage();
 }