Index: firmware/App/Modes/BloodPrime.c
===================================================================
diff -u -r1d07de4e970f54f2ae1786ef546cf5567df9ba8e -r576bb89505fc45ab5cff0c10ac7e4a9f91ae56b0
--- firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 1d07de4e970f54f2ae1786ef546cf5567df9ba8e)
+++ firmware/App/Modes/BloodPrime.c	(.../BloodPrime.c)	(revision 576bb89505fc45ab5cff0c10ac7e4a9f91ae56b0)
@@ -36,8 +36,7 @@
 
 // ********** private definitiions ***********
 
-#define TUBING_BLOOD_PRIME_VOLUME_ML                80.0F                   ///< Target blood prime volume to prime the blood side circuit (in mL).
-#define MIN_RAMP_TIME_SEC                           60                      ///< Minimum ramp time for blood prime (in seconds).
+#define MIN_RAMP_TIME_SEC                          60                       ///< Minimum ramp time for blood prime (in seconds).
 
 /// Initial flow rate for blood pump when starting blood prime operation.
 #define BLOOD_PRIME_INIT_BP_FLOW_RATE_ML_MIN       100
Index: firmware/App/Modes/BloodPrime.h
===================================================================
diff -u -r0a4dcd288d4347b85baaa0b07da568b6add5eac7 -r576bb89505fc45ab5cff0c10ac7e4a9f91ae56b0
--- firmware/App/Modes/BloodPrime.h	(.../BloodPrime.h)	(revision 0a4dcd288d4347b85baaa0b07da568b6add5eac7)
+++ firmware/App/Modes/BloodPrime.h	(.../BloodPrime.h)	(revision 576bb89505fc45ab5cff0c10ac7e4a9f91ae56b0)
@@ -36,6 +36,8 @@
 
 // ********** public definitions ******************
 
+#define TUBING_BLOOD_PRIME_VOLUME_ML               106.6F                   ///< Tubing portion of blood prime volume to prime the blood side circuit (in mL).
+
 /// Payload record structure for a blood prime data broadcast message.
 typedef struct
 {
Index: firmware/App/Modes/Rinseback.c
===================================================================
diff -u -r1d07de4e970f54f2ae1786ef546cf5567df9ba8e -r576bb89505fc45ab5cff0c10ac7e4a9f91ae56b0
--- firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 1d07de4e970f54f2ae1786ef546cf5567df9ba8e)
+++ firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 576bb89505fc45ab5cff0c10ac7e4a9f91ae56b0)
@@ -17,6 +17,7 @@
 
 #include "AirTrap.h"
 #include "BloodFlow.h"
+#include "BloodPrime.h"
 #include "DGInterface.h"
 #include "DialInFlow.h"
 #include "DialOutFlow.h"
@@ -37,7 +38,6 @@
 
 // ********** private definitions **********
 
-#define TUBING_RINSEBACK_VOLUME_ML                   80.0F                  ///< Target rinseback volume to deliver back to the patient (in mL).
 #define DEFAULT_RINSEBACK_VOLUME_ML                 300.0F                  ///< Default rinseback volume (in mL).
 #define MAX_TOTAL_ADDITIONAL_RINSEBACK_VOLUME_ML    300.0F                  ///< Maximum total additional rinseback volume allowed : all additionals (in mL).
 #define TARGET_ADDITIONAL_RINSEBACK_VOLUME_ML        10.0F                  ///< Target rinseback volume for an additional volume request (in mL).
@@ -121,7 +121,7 @@
 {
     rinsebackState = RINSEBACK_STOP_INIT_STATE;
     rinsebackRate_mL_min = getTreatmentParameterU32( TREATMENT_PARAM_RINSEBACK_FLOW_RATE );
-    rinsebackTargetVolume_mL = TUBING_RINSEBACK_VOLUME_ML + (F32)getDialyzerBloodVolume();
+    rinsebackTargetVolume_mL = TUBING_BLOOD_PRIME_VOLUME_ML + (F32)getDialyzerBloodVolume();
     targetRinsebackVolumePlusAdditional_mL = rinsebackTargetVolume_mL;
     rinsebackTimerCtr = 0;
     cumulativeRinsebackVolume_mL.data = 0.0;