@Override
 public void setDataFromItemStackTag(NBTTagCompound NBT) {
   if (NBT == null) {
     tank.empty();
     return;
   }
   Fluid f = ReikaNBTHelper.getFluidFromNBT(NBT);
   int level = NBT.getInteger("lvl");
   if (f != null && level > 0) tank.setContents(level, f);
 }
 public ArrayList<String> getDisplayTags(NBTTagCompound nbt) {
   ArrayList li = new ArrayList();
   Fluid f = ReikaNBTHelper.getFluidFromNBT(nbt);
   if (f != null) {
     String fluid = f.getLocalizedName();
     int amt = nbt.getInteger("lvl");
     if (amt > 0) {
       String amount = String.format("%d", amt / 1000);
       String contents = "Contents: " + amount + "B of " + fluid;
       li.add(contents);
     }
   }
   return li;
 }