diff --git a/src/coreComponents/linearAlgebra/interfaces/hypre/HypreMGR.hpp b/src/coreComponents/linearAlgebra/interfaces/hypre/HypreMGR.hpp
index feca89dd6d0..bae8c2d38d9 100644
--- a/src/coreComponents/linearAlgebra/interfaces/hypre/HypreMGR.hpp
+++ b/src/coreComponents/linearAlgebra/interfaces/hypre/HypreMGR.hpp
@@ -178,9 +178,9 @@ class MGRStrategyBase
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetTol( solver.ptr, 0.0 ) );
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetMaxIter( solver.ptr, 1 ) );
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetMaxRowSum( solver.ptr, 1.0 ) );
-    GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetStrongThreshold( solver.ptr, 0.6 ) );
+    GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetStrongThreshold( solver.ptr, 0.8 ) );
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetPrintLevel( solver.ptr, 0 ) );
-    GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetInterpType( solver.ptr, hypre::getAMGInterpolationType( LinearSolverParameters::AMG::InterpType::modifiedExtendedE )) );
+    GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetInterpType( solver.ptr, hypre::getAMGInterpolationType( LinearSolverParameters::AMG::InterpType::extendedI )) );
 #if GEOS_USE_HYPRE_DEVICE == GEOS_USE_HYPRE_CUDA || GEOS_USE_HYPRE_DEVICE == GEOS_USE_HYPRE_HIP
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetCoarsenType( solver.ptr, hypre::getAMGCoarseningType( LinearSolverParameters::AMG::CoarseningType::PMIS ) ) );
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetRelaxType( solver.ptr, hypre::getAMGRelaxationType( LinearSolverParameters::AMG::SmootherType::chebyshev ) ) );
@@ -192,6 +192,9 @@ class MGRStrategyBase
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetNumFunctions( solver.ptr, 3 ) );
     GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetFilterFunctions( solver.ptr, separateComponents ) );
 
+    GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetAggNumLevels( solver.ptr, 1 ) );
+    GEOS_LAI_CHECK_ERROR( HYPRE_BoomerAMGSetAggInterpType( solver.ptr, hypre::getAMGAggressiveInterpolationType( LinearSolverParameters::AMG::AggInterpType::multipass ) ) );    
+
     solver.setup = HYPRE_BoomerAMGSetup;
     solver.solve = HYPRE_BoomerAMGSolve;
     solver.destroy = HYPRE_BoomerAMGDestroy;
diff --git a/src/coreComponents/linearAlgebra/interfaces/hypre/mgrStrategies/MultiphasePoromechanicsReservoirFVM.hpp b/src/coreComponents/linearAlgebra/interfaces/hypre/mgrStrategies/MultiphasePoromechanicsReservoirFVM.hpp
index 18293db1f12..0f3e2612e15 100644
--- a/src/coreComponents/linearAlgebra/interfaces/hypre/mgrStrategies/MultiphasePoromechanicsReservoirFVM.hpp
+++ b/src/coreComponents/linearAlgebra/interfaces/hypre/mgrStrategies/MultiphasePoromechanicsReservoirFVM.hpp
@@ -86,9 +86,9 @@ class MultiphasePoromechanicsReservoirFVM : public MGRStrategyBase< 4 >
     // Level 0
     m_levelFRelaxType[0]          = MGRFRelaxationType::amgVCycle;
     m_levelFRelaxIters[0]         = 1;
-    m_levelInterpType[0]          = MGRInterpolationType::jacobi;
-    m_levelRestrictType[0]        = MGRRestrictionType::injection;
-    m_levelCoarseGridMethod[0]    = MGRCoarseGridMethod::nonGalerkin;
+    m_levelInterpType[0]          = MGRInterpolationType::injection;
+    m_levelRestrictType[0]        = MGRRestrictionType::injection; //MGRRestrictionType::jacobi;
+    m_levelCoarseGridMethod[0]    = (MGRCoarseGridMethod) 5; //MGRCoarseGridMethod::nonGalerkin;
     m_levelGlobalSmootherType[0]  = MGRGlobalSmootherType::none;
 
     // Level 1