Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -rcd1161514dbaff9e5b222931fff99618e39fd7ec -r5531ef9081711c5d57cceba2d51ff9bb24b7c254
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision cd1161514dbaff9e5b222931fff99618e39fd7ec)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 5531ef9081711c5d57cceba2d51ff9bb24b7c254)
@@ -342,7 +342,7 @@
     currentBalChamberSwitchingCounter += 1;
     currentBalChamberFillCounter += 1;
 
-    if ( ( getTestConfigStatus( TEST_CONFIG_DD_ENABLE_DRY_BICARB ) == TRUE ) && ( balChamberExecState > BAL_CHAMBER_STATE_IDLE ) )
+    if ( ( FALSE == getTestConfigStatus( TEST_CONFIG_DD_DISABLE_DRY_BICARB ) ) && ( balChamberExecState > BAL_CHAMBER_STATE_IDLE ) )
     {
 #ifdef CONDUCTIVE_LEVEL_SENSOR_ENABLED
         if ( LVL_STATE_LOW == bicarbChamberLevel )
@@ -618,7 +618,7 @@
     spentFillRiseMissCounter            = 0;
     isSpentFillComplete                 = FALSE;
 
-    if ( getTestConfigStatus( TEST_CONFIG_DD_ENABLE_DRY_BICARB ) == TRUE )
+    if ( FALSE == getTestConfigStatus( TEST_CONFIG_DD_DISABLE_DRY_BICARB ) )
     {
         bicarbVolume = getBicarbMixVol();
         acidVolume = getAcidMixVol();
@@ -764,7 +764,7 @@
     }
 
     // If the dry bicarbonate is enabled then we ignore looking at d18 pressure to be in range.
-    if ( ( TRUE == getTestConfigStatus( TEST_CONFIG_DD_ENABLE_DRY_BICARB ) ) && ( TRUE == getBicarbChamberFillRequested() ) )
+    if ( ( FALSE == getTestConfigStatus( TEST_CONFIG_DD_DISABLE_DRY_BICARB ) ) && ( FALSE == getBicarbChamberFillRequested() ) )
     {
         isPressureStabilizedDuringFill = TRUE;
     }
@@ -936,7 +936,7 @@
     spentFillRiseMissCounter            = 0;
     isSpentFillComplete                 = FALSE;
 
-    if ( getTestConfigStatus( TEST_CONFIG_DD_ENABLE_DRY_BICARB ) == TRUE )
+    if ( FALSE == getTestConfigStatus( TEST_CONFIG_DD_DISABLE_DRY_BICARB ) )
     {
         bicarbVolume = getBicarbMixVol();
         acidVolume = getAcidMixVol();
@@ -1016,7 +1016,7 @@
     spentDialPressure               = getFilteredPressure( D51_PRES );
 
     // If the dry bicarbonate is enabled then we ignore looking at d18 pressure to be in range.
-    if ( ( TRUE == getTestConfigStatus( TEST_CONFIG_DD_ENABLE_DRY_BICARB ) ) && ( TRUE == getBicarbChamberFillRequested() ) )
+    if ( ( FALSE == getTestConfigStatus( TEST_CONFIG_DD_DISABLE_DRY_BICARB ) ) && ( FALSE == getBicarbChamberFillRequested() ) )
     {
         isPressureStabilizedDuringFill = TRUE;
     }