Index: firmware/App/Controllers/ConcentratePumps.h
===================================================================
diff -u -rf2b23abd44f71103b3ef6b0a96f18cc82d263735 -r0a74bcce6674271e35d5154003dd6c25011f80f9
--- firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision f2b23abd44f71103b3ef6b0a96f18cc82d263735)
+++ firmware/App/Controllers/ConcentratePumps.h	(.../ConcentratePumps.h)	(revision 0a74bcce6674271e35d5154003dd6c25011f80f9)
@@ -31,13 +31,10 @@
 
 // ********** public definitions **********
 #ifdef __DIENER_CONC_PUMP__
-// For 100 RPM, Diener pump delivers 40ml/min,so restricing 300 RPM for now to maintain accuracy. We may allow up to 500 RPM
-// that yields 200 ml/min, but as speed increases, accuracy may drop.
-#define CONCENTRATE_PUMP_MAX_SPEED              120.0F              ///< Optimal speed for concentrate pump in mL/min
-#define UF_PUMP_SPEED                           100.0F              ///< 100 ml/min, runs at 250 RPM
+// For 150 RPM, Diener pump delivers 60ml/min
+#define CONCENTRATE_PUMP_MAX_SPEED              60.0F               ///< Optimal speed for concentrate pump in mL/min
 #else
 #define CONCENTRATE_PUMP_MAX_SPEED              48.0F               ///< Maximum speed for concentrate pump in mL/min
-#define UF_PUMP_SPEED                           40.0F               ///< 40 ml/min, runs at 400 RPM
 #endif
 #define DEFAULT_ACID_VOLUME_ML                  0.67F               ///< Acid concentrate volume in ml.
 #define DEFAULT_BICARB_VOLUME_ML                1.15F               ///< Bicarb concentrate volume in ml.