public static Fluid liquid_beer = new BeerFluid("beer", new ResourceLocation("farmcraft2:textures/blocks/beer_still.png"), new ResourceLocation("farmcraft2:textures/blocks/beer_flow.png"));

        FluidRegistry.registerFluid(liquid_beer);


BeerFluid:

package cz.grossik.farmcraft2.fluid;

import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fluids.Fluid;

public class BeerFluid extends Fluid {

 public BeerFluid(String fluidName, ResourceLocation still, ResourceLocation flowing) {
 super(fluidName, still, flowing);
 this.unlocalizedName = fluidName;
 setTemperature(temperature);
 setLuminosity(luminosity);
 setDensity(2000);
 }
}