# Paramters Tuning
You will notice that there are a set of parameters on the `SSF_LoadParticlesFromParticleSystem` inspector:
The meaning of these parameters are as follows:
| Name | Description |
| ---------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| ParticleBufferUpdateInterval | The interval for updating particle data to GPU, <0 means update every frame. Adjust this value to your preferred visual frame rate |
| Thickness | The thickness of the liquid. The higher the value, the more precipitated and solid the color will be visually. |
| Noise | The detail turbulence of the surface. The higher the value, the more turbulence the surface will show. It is implemented by adding perturbation to the surface normal. |
| Render Params | Fluid surface rendering related parameters are listed separately below and may change with version iterations |
### Render Params
| Name | Description |
| ------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------- |
| IsTransparent | 0 for traditional blinn-phong rendering, 1 for fluid rendering, value in-between means blending |
| Ior | Refractive Index of Fluid (1.33 for water...) |
| Smoothness | **higher** value for **more** smoothness |
| Fresnel Power | **higher** value gives **more** refraction |
| Min/Max Reflection Ratio | this constraints the amount of reflection, **if no reflection is needed, just set them to 0,** vice versa, **1 for no refraction** |
| Ambient/Diffuse/Specular Color | Very traditional Blinn-phong model |
### Here's some comparisions on differnt paramters.
Non trasparent
transparent
high thickness
low thickness
no reflection(pure refraction)
reflection and refraction
no reflection, high fresnel power
no reflection, normal fresnel power
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