diff --git a/src/constants.h b/src/constants.h
index 5a5d500f5927e1d018798d4f320c2ecd2ecee56f..7b8bfe9d1d97fa3f154e3db170d163a13e4b3cc4 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -9,10 +9,10 @@ const float h_BOUND_Y_MAX = 12.0f;
 const float h_BOUND_Z_MIN = -4.0f;
 const float h_BOUND_Z_MAX = 4.0f;
 
-const float h_GAS_CONSTANT = 300.0f;
-const float h_VISCOSITY = 0.8f;
+const float h_GAS_CONSTANT = 10.0f;
+const float h_VISCOSITY = 0.2f;
 
 const float h_PI = 3.14159265358979323846f;
-const float h_H = 0.4f; // Smoothing radius
+const float h_H = 0.5f; // Smoothing radius
 
 #endif // CONSTANTS_H
diff --git a/src/kernels_cuda.cu b/src/kernels_cuda.cu
index 3a1717753fdd45399331e7b297be8aac7db31a94..9aae2a3296f0c1194f3eae9ecd782711332af645 100644
--- a/src/kernels_cuda.cu
+++ b/src/kernels_cuda.cu
@@ -23,8 +23,8 @@ __constant__ float POLY6_CONST;
 __constant__ float SPIKY_GRAD_CONST;
 __constant__ float VISC_LAP_CONST;
 
-__constant__ float PARTICLE_MASS = 8.0f;
-__constant__ float REST_DENSITY = 1000.0f;
+__constant__ float PARTICLE_MASS = 1.0f;
+__constant__ float REST_DENSITY = 60.0f;
 __constant__ float GAS_CONSTANT;
 __constant__ float VISCOSITY;
 
@@ -250,7 +250,7 @@ __global__ void computeForces(
 
         float3 fPressure = make_float3(0.0f, 0.0f, 0.0f);
         float3 fViscosity = make_float3(0.0f, 0.0f, 0.0f);
-        float3 fGravity = make_float3(0.0f, -16.0f * density_i, 0.0f);
+        float3 fGravity = make_float3(0.0f, -2.0f , 0.0f);
 
         unsigned int cellIndex = cellIndices[idx];
 
diff --git a/src/main.cpp b/src/main.cpp
index 601bbe11b0d682608496d11c89a37b3cc2f131fd..94dce153270ffe5b4d6d5965331356c8c5446102 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -23,10 +23,10 @@
 #include "GL_utilities.h"
 
 // Number of particles
-const int NUM_PARTICLES = 8000; // Should match a cubic grid for simplicity
-const float GRID_SPACING = 0.5f;  // Spacing between particles in the grid
+const int NUM_PARTICLES = 64000; // Should match a cubic grid for simplicity
+const float GRID_SPACING = 0.25f;  // Spacing between particles in the grid
 
-const float pointRadius = 8.0f;  // Point size in world space
+const float pointRadius = 6.0f;  // Point size in world space
 const float pointScale = 16.0f;
 
 auto previousTime = std::chrono::high_resolution_clock::now();