Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -r79cd16f091997683de89e2e84d3a86e2dd7d5493 -r8b824fc931d5af91a791644be64f6ad5b1e7ae7f
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 79cd16f091997683de89e2e84d3a86e2dd7d5493)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 8b824fc931d5af91a791644be64f6ad5b1e7ae7f)
@@ -40,8 +40,8 @@
 
 // ********** private definitions **********
 
-#define MAX_UF_VOLUME_ACCURACY_ERROR_ML         100.0F                          ///< Maximum ultrafiltration volume accuracy error in mL over the entire treatment.
-#define MAX_UF_RATE_ACCURACY_ERROR_ML_MIN       10.0F                           ///< Maximum ultrafiltration rate accuracy error in mL/min over use of single reservoir during treatment.
+#define MAX_UF_VOLUME_ACCURACY_ERROR_ML                   100.0F                ///< Maximum ultrafiltration volume accuracy error in mL over the entire treatment.
+#define LOAD_CELL_PRIMARY_BACKUP_MAX_ALLOWED_DRIFT_GRAMS  20.0F                 ///< Reservoir load cell drift difference allowed
 
 /// Saline bolus data broadcast interval (ms/task time) count.
 static const U32 SALINE_BOLUS_DATA_PUB_INTERVAL = ( MS_PER_SECOND / TASK_GENERAL_INTERVAL );