Please take a look

http://imgur.com/A5ERhTR

 

Fluid class

 

package com.chaoshunter.blocks;

 

import net.minecraft.util.ResourceLocation;

import net.minecraftforge.fluids.Fluid;

import net.minecraftforge.fluids.FluidRegistry;

 

public class acidFluid extends Fluid{

 

public acidFluid(String fluidName) {

super(fluidName);

// TODO Auto-generated constructor stub

 

setDensity(3);

setViscosity(600);

setLuminosity(5);

 

}

 

}

 

 

 

fluidblock class

 

 

package com.chaoshunter.blocks;

 

import com.chaoshunter.Tabs.MODED_Tabs;

 

import cpw.mods.fml.relauncher.Side;

import cpw.mods.fml.relauncher.SideOnly;

import net.minecraft.block.material.Material;

import net.minecraft.client.renderer.texture.IIconRegister;

import net.minecraft.util.IIcon;

import net.minecraft.world.IBlockAccess;

import net.minecraft.world.World;

import net.minecraftforge.fluids.BlockFluidClassic;

import net.minecraftforge.fluids.Fluid;

 

public class acidBlock extends BlockFluidClassic{

 

@SideOnly(Side.CLIENT)protected IIcon stillIcon;

@SideOnly(Side.CLIENT)protected IIcon flowingIcon;

 

 

public acidBlock(Fluid fluid, Material material) {

super(fluid, material);

setCreativeTab(MODED_Tabs.tabBlock);

// TODO Auto-generated constructor stub

}

@Override public IIcon getIcon(int side, int meta){

return (side == 0 || side == 1) ? this.stillIcon : this.flowingIcon;

}

 

@SideOnly(Side.CLIENT)

@Override public void registerBlockIcons(IIconRegister register) {

stillIcon = register.registerIcon("testmod:fluidStill");

flowingIcon = register.registerIcon("testmod:fluidFlowing");

}

@Override public boolean canDisplace(IBlockAccess world, int x, int y, int z) {

if (world.getBlock(x, y, z).getMaterial().isLiquid())

return false;

return super.canDisplace(world, x, y, z);

}

 

@Override public boolean displaceIfPossible(World world, int x, int y, int z) {

if (world.getBlock(x, y, z).getMaterial().isLiquid())

return false;

return super.displaceIfPossible(world, x, y, z);

}

 

}

 

 

 

 

If you find a way to fix it please let me know Thanks in advance!

nvm I fixed it