Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -rbe0b36d7ab5528a205726a38b99cdaabc30e165e -rf9c4c7e862f05b0edb8d75a1347ff8d67b150a11
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision be0b36d7ab5528a205726a38b99cdaabc30e165e)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision f9c4c7e862f05b0edb8d75a1347ff8d67b150a11)
@@ -57,7 +57,7 @@
 
 #define CONCENTRATE_PUMP_DATA_PUBLISH_INTERVAL              ( 500 / TASK_GENERAL_INTERVAL )                     ///< Interval (ms/task time) at which the concentrate pump is monitored.
 #define CONCENTRATE_PUMP_CONTROL_INTERVAL                   ( 1 * MS_PER_SECOND / TASK_GENERAL_INTERVAL )       ///< Interval (ms/task time) at which the concentrate pump is controlled.
-#define CONCENTRATE_PUMP_SPEED_CONTROL_PERSISTENCE_PERIOD   ( 5 * MS_PER_SECOND )                               ///< Persistence period for concentrate pump speed control error.
+#define CONCENTRATE_PUMP_SPEED_CONTROL_PERSISTENCE_PERIOD   ( 6 * MS_PER_SECOND )                               ///< Persistence period for concentrate pump speed control error.
 
 #define NUMBER_OF_ACID_AND_BICARB_NV_DATA_TO_CHECK          1                                                   ///< Number of acid and bicarb non-volatile data to check.