Index: firmware/App/Controllers/SpentChamberFill.c
===================================================================
diff -u -re6415d33321e7990c3b5e82b0c8a87c64cc3a2c8 -rd210786d6c7d75bb0b4d9e18efc40a01d85123fe
--- firmware/App/Controllers/SpentChamberFill.c	(.../SpentChamberFill.c)	(revision e6415d33321e7990c3b5e82b0c8a87c64cc3a2c8)
+++ firmware/App/Controllers/SpentChamberFill.c	(.../SpentChamberFill.c)	(revision d210786d6c7d75bb0b4d9e18efc40a01d85123fe)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2025 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2025-2026 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    SpentChamberFill.c
 *
-* @author  (last)      Vinayakam Mani
-* @date    (last)      20-Aug-2025
+* @author  (last)      Sameer Kalliadan Poyil
+* @date    (last)      03-Feb-2026
 *
 * @author  (original)  Vinayakam Mani
-* @date    (original)  20-Aug-2025
+* @date    (original)  21-Aug-2025
 *
 ***************************************************************************/
 
@@ -228,8 +228,8 @@
         //Valve control for state 1 spent chamber fill
         valveControlForSCFillState1FillStart();
         // start acid and bicarb pump with the expected quantity
-        setConcentratePumpTargetSpeed( D11_PUMP, CONCENTRATE_PUMP_MAX_SPEED, acidDoseVolume );
-        setConcentratePumpTargetSpeed( D10_PUMP, CONCENTRATE_PUMP_MAX_SPEED, bicarbDoseVolume );
+        setConcentratePumpTargetSpeed( D11_PUMP, DOSING_CONCENTRATE_PUMP_SPEED, acidDoseVolume );
+        setConcentratePumpTargetSpeed( D10_PUMP, DOSING_CONCENTRATE_PUMP_SPEED, bicarbDoseVolume );
         requestConcentratePumpOn( D11_PUMP );
         requestConcentratePumpOn( D10_PUMP );
 
@@ -317,8 +317,8 @@
         // Valve control for state 2 fill
         valveControlForSCFillState2FillStart();
         // start acid and bicarb pump with the expected quantity
-        setConcentratePumpTargetSpeed( D11_PUMP, CONCENTRATE_PUMP_MAX_SPEED, acidDoseVolume );
-        setConcentratePumpTargetSpeed( D10_PUMP, CONCENTRATE_PUMP_MAX_SPEED, bicarbDoseVolume );
+        setConcentratePumpTargetSpeed( D11_PUMP, DOSING_CONCENTRATE_PUMP_SPEED, acidDoseVolume );
+        setConcentratePumpTargetSpeed( D10_PUMP, DOSING_CONCENTRATE_PUMP_SPEED, bicarbDoseVolume );
         requestConcentratePumpOn( D11_PUMP );
         requestConcentratePumpOn( D10_PUMP );