Index: firmware/App/Services/PIControllers.c
===================================================================
diff -u -r1c1a8d0528f19da5d94bdf75f687bbb1d1de6f0e -rf4199248340b66e66abbe99599d5d30ce980ea5f
--- firmware/App/Services/PIControllers.c	(.../PIControllers.c)	(revision 1c1a8d0528f19da5d94bdf75f687bbb1d1de6f0e)
+++ firmware/App/Services/PIControllers.c	(.../PIControllers.c)	(revision f4199248340b66e66abbe99599d5d30ce980ea5f)
@@ -64,7 +64,7 @@
 /// PI Controllers -- initial configurations.
 static PI_CONTROLLER_T piControllers[ NUM_OF_PI_CONTROLLERS_IDS ] =
 {   // Kp   Ki  uMax  uMin  ref meas  err  esw esum ctrl  Ilimit controller type
-    { 0.0, 0.0,  1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 10.0,  CONTROLLER_UNIDIRECTIONAL },  // PI_CONTROLLER_ID_ULTRAFILTRATION
+    { 0.0, 0.0, 0.90, 0.10, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 50.0,  CONTROLLER_UNIDIRECTIONAL },  // PI_CONTROLLER_ID_ULTRAFILTRATION
     { 0.0, 0.0, 0.90, 0.10, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 100.0, CONTROLLER_UNIDIRECTIONAL },  // PI_CONTROLLER_ID_BLOOD_FLOW
     { 0.0, 0.0, 0.90, 0.10, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 100.0, CONTROLLER_UNIDIRECTIONAL }   // PI_CONTROLLER_ID_DIALYSATE_FLOW
 };