FluidStack liquid = FluidContainerRegistry.getFluidForFilledItem(current);
TileEntityCertusTank tank = (TileEntityCertusTank) worldObj.getBlockTileEntity(x, y, z);
if (liquid != null)
{
int amountFilled = tank.fill(ForgeDirection.UNKNOWN, liquid, true);
if (amountFilled != 0 && !entityplayer.capabilities.isCreativeMode)
{
if (current.stackSize > 1)
{