Index: firmware/App/Controllers/ConcentratePumps.c
===================================================================
diff -u -rd3819286869611f9c02add72a0f8e321598fdf42 -r32367c8ede080be47d64c8464825259cc0270ba9
--- firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision d3819286869611f9c02add72a0f8e321598fdf42)
+++ firmware/App/Controllers/ConcentratePumps.c	(.../ConcentratePumps.c)	(revision 32367c8ede080be47d64c8464825259cc0270ba9)
@@ -35,7 +35,7 @@
 #define CONCENTRATE_PUMP_FORWARD_DIR                        0x1                                                 ///< Concentrate pump forward direction configuration.
 #define CONCENTRATE_PUMP_REVERSE_DIR                        0x0                                                 ///< Concentrate pump reverse direction configuration.
 
-#define CONCENTRATE_PUMP_SPEED_INCREMENT                    8.0                                                 ///< Speed increase (mL/min) when controlling concentrate pump to target step speed.
+#define CONCENTRATE_PUMP_SPEED_INCREMENT                    2.0                                                 ///< Speed increase (mL/min) when controlling concentrate pump to target step speed.
 #define CONCENTRATE_PUMP_MIN_SPEED                          3.0                                                 ///< Minimum speed for concentrate pump in mL per min.
 #define CONCENTRATE_PUMP_ERROR_TOLERANCE                    0.02                                                ///< Measured speed needs to be within 2% of commanded speed.
 #define CONCENTRATE_PUMP_ZERO_FLOW_RATE                     0xFFFF                                              ///< Pulse width value when zero flow rate or pump is off.
@@ -52,7 +52,7 @@
 #define CONCENTRATE_PUMP_VOLUME_PER_PULSE                   ( CONCENTRATE_PUMP_VOLUME_PER_REV / CONCENTRATE_PUMP_PULSE_PER_REV )
 
 #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                   ( 250 / TASK_GENERAL_INTERVAL )                     ///< Interval (ms/task time) at which the concentrate pump is controlled.
+#define CONCENTRATE_PUMP_CONTROL_INTERVAL                   ( 50 / 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.
 
 /// Enumeration of concentrate pump states.