Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r7fa65a3aae9c4ef70a6e53f3e3bb20f0425bd681 -re197cc27ab80e2250597746427725671f3491945
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 7fa65a3aae9c4ef70a6e53f3e3bb20f0425bd681)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision e197cc27ab80e2250597746427725671f3491945)
@@ -43,7 +43,7 @@
 #define MIN_TREATMENT_TIME_MINUTES              ( 1 * MIN_PER_HOUR )                        ///< Minimum treatment time (in minutes).
 #define MAX_UF_RATE_ML_MIN                      ( (F32)2500 / (F32)MIN_PER_HOUR )           ///< Maximum ultrafiltration rate (in mL/min).
 #define MAX_UF_VOLUME_ML                        ( 8 * ML_PER_LITER )                        ///< Maximum ultrafiltration volume (in mL).
-#define MAX_DIALYSATE_VOLUME_ML                 ( 180 * ML_PER_LITER )                      ///< Maximum dialysate volume (in mL).
+#define MAX_DIALYSATE_VOLUME_ML                 ( 150 * ML_PER_LITER )                      ///< Maximum dialysate volume (in mL).
 
 #define USER_CONFIRM_CHANGE_TIMEOUT_MS          ( 60 * MS_PER_SECOND )                      ///< Require user to confirm UF volume change within this time.
 #define PREVENT_UF_VOL_CHANGE_IF_NEARLY_DONE_SEC    ( 10 * SEC_PER_MIN )                    ///< Prevent UF volume change if treatment within this much time from end of treatment (in seconds).
@@ -588,7 +588,7 @@
         }
     }
     // respond to UF settings change confirmation
-    sendChangeUFSettingsResponse( result, rejectReason, presMaxUFVolumeML, presTreatmentTimeSecs / SEC_PER_MIN, presUFRate, 0, 0, oldUFRate );
+    sendChangeUFSettingsOptionResponse( result, rejectReason, presMaxUFVolumeML, presTreatmentTimeSecs / SEC_PER_MIN, presUFRate );
 
     return result;
 }