Index: firmware/App/Services/Reservoirs.h
===================================================================
diff -u -r8a553b10a224c745cb4bd6d963c867391905ba8c -r38974e7129adace42bc44cacbf384a0b1442046c
--- firmware/App/Services/Reservoirs.h	(.../Reservoirs.h)	(revision 8a553b10a224c745cb4bd6d963c867391905ba8c)
+++ firmware/App/Services/Reservoirs.h	(.../Reservoirs.h)	(revision 38974e7129adace42bc44cacbf384a0b1442046c)
@@ -34,6 +34,8 @@
 // ********** public definitions **********
 
 #define MAX_RESERVOIR_VOLUME_ML         2000            ///< Maximum reservoir volume in mL.
+// TODO the extra temperature includes 1 degree of extra temperature to account for the concentrate pumps
+#define RESERVOIR_EXTRA_TEMPERATURE     2.0             ///< Reservoirs extra margin temperature.
 
 /// Fill command data structure.
 typedef struct