Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rf655570eb5cc08353250c77e2d3933baac65b0d7 -rb0c448e633c8f23f4c1d36cc46481fe15e015c5c
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision f655570eb5cc08353250c77e2d3933baac65b0d7)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision b0c448e633c8f23f4c1d36cc46481fe15e015c5c)
@@ -1533,8 +1533,9 @@
             {
                 R1FullVolume = currentVolumeML;
             }
-            else if ( DG_RESERVOIR_2 == r )
+            else
             {
+                // If the reservoir is neither 1 or 2, the current volume will be updated so the code will never get here
                 R2FullVolume = currentVolumeML;
             }
         }