Index: firmware/App/Modes/FPModes/ModePreGenPermeate.c
===================================================================
diff -u -rc07917caced76b53a0ed8f35167fac6f9d8310a4 -rf4a8565c7edec12094b8a737ed7b8cd3424a9208
--- firmware/App/Modes/FPModes/ModePreGenPermeate.c	(.../ModePreGenPermeate.c)	(revision c07917caced76b53a0ed8f35167fac6f9d8310a4)
+++ firmware/App/Modes/FPModes/ModePreGenPermeate.c	(.../ModePreGenPermeate.c)	(revision f4a8565c7edec12094b8a737ed7b8cd3424a9208)
@@ -7,8 +7,8 @@
 *
 * @file    ModePreGenPermeate.c
 *
-* @author  (last)      “Raghu
-* @date    (last)      14-Oct-2025
+* @author  (last)      “rkallala”
+* @date    (last)      09-Dec-2025
 *
 * @author  (original)  Michael Garthwaite
 * @date    (original)  08-Sep-2025
@@ -31,6 +31,7 @@
 #include "TaskGeneral.h"
 #include "Timers.h"
 #include "Valves.h"
+#include "WaterQualityMonitor.h"
 
 /**
  *  @addtogroup FPPreGenPermeateMode
@@ -40,9 +41,10 @@
 // ********** private definitions **********
 
 #define PRE_GENP_DATA_PUBLISH_INTERVAL     ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )    ///< Interval (ms/task time) at which the pre gen Permeate mode data published.
-#define VERIFY_WATER_RO_PUMP_TGT_FLOW_ML   700                                          ///< Target flow rate for RO pump in ml/min
+#define VERIFY_WATER_RO_PUMP_TGT_FLOW_ML   750                                          ///< Target flow rate for RO pump in ml/min
 #define VERIFY_WATER_BOOST_PUMP_TGT_PSI    25                                           ///< Target pressure for boost pump in psi.
 #define VERIFY_WATER_TIMEOUT_MS            ( 30 * MS_PER_SECOND )                       ///< Verify Water timer ( in ms )
+#define FLOW_CONTROL_STABLIZED_TIMEOUT_MS  ( 25 * MS_PER_SECOND )                       ///< Flow control stablized time ( in ms )
 
 // ********** private data **********
 
@@ -113,6 +115,7 @@
 U32 execPreGenPMode( void )
 {
     FP_PRE_GENP_MODE_STATE_T previouspreGenPState = preGenPState;
+
     // execute current pre gen Permeate state
     switch ( preGenPState )
     {
@@ -145,7 +148,7 @@
             break;
     }
 
-    if( previouspreGenPState != preGenPState )
+    if ( previouspreGenPState != preGenPState )
     {
         setModePreGenPTransition( preGenPState );
         SEND_EVENT_WITH_2_U32_DATA( FP_EVENT_PRE_GEN_CHANGE, preGenPState, previouspreGenPState )
@@ -194,6 +197,7 @@
             setValveState( P34_VALV, VALVE_STATE_CLOSED ); // Current set to Medium recovery for alpha HW
             setValveState( P37_VALV, VALVE_STATE_CLOSED );
             setValveState( P39_VALV, VALVE_STATE_OPEN );
+            startPermeateTankControl();
 
             if ( TRUE == isBoostPumpInstalled() )
             {
@@ -263,7 +267,7 @@
 
     execFilterFlush();
 
-    if( TRUE == isFilterFlushComplete() )
+    if ( TRUE == isFilterFlushComplete() )
     {
         signalStartPermeateFlush();
         state = FP_PRE_GENP_PERMEATE_FLUSH;
@@ -291,7 +295,7 @@
 
     execPermeateFlush();
 
-    if( TRUE == isPermeateFlushComplete() )
+    if ( TRUE == isPermeateFlushComplete() )
     {
         signalStartConcentrateFlush();
         state = FP_PRE_GENP_CONCENTRATE_FLUSH;
@@ -319,7 +323,7 @@
 
     execConcentrateFlush();
 
-    if( TRUE == isConcentrateFlushComplete() )
+    if ( TRUE == isConcentrateFlushComplete() )
     {
         state = FP_PRE_GENP_VERIFY_WATER;
     }
@@ -340,12 +344,24 @@
     FP_PRE_GENP_MODE_STATE_T state = FP_PRE_GENP_VERIFY_WATER;
     F32 roCurrentDutyCycle = getCurrentROPumpDutyCyclePCT();
 
+    //Stay in this state for 25 seconds to stablize flow control
+    if ( TRUE == didTimeout( verifyWaterTimer, FLOW_CONTROL_STABLIZED_TIMEOUT_MS ) )
+    {
+        // check next 5 seconds for water quality
+        // check permeate high flow rate is within range
+        checkPermeateHighFlow();
+        // check low flow rate is within range
+        checkPermeateLowFlow();
+        // check conductivity is within range
+        checkOutletConductivity();
+    }
+
 //    if ( TRUE == 1 ))// TODO Alarm and Stop State Rework
 //    {
 //        state = FP_PRE_GENP_PAUSED;
 //    }
-
-    if( TRUE == didTimeout( verifyWaterTimer, VERIFY_WATER_TIMEOUT_MS ) )
+    // wait 30 second before moving to water generation mode
+    if ( TRUE == didTimeout( verifyWaterTimer, VERIFY_WATER_TIMEOUT_MS ) )
     {
         transitionToGenPermeateMode();
         requestGenWaterStart(); // transition function will clear start flag