@Override
 public ILiquidTank getTank(ForgeDirection direction, LiquidStack type) {
   if (type != null && type.itemID == LiquidDictionary.getCanonicalLiquid("sewage").itemID) {
     return _tank;
   }
   return null;
 }
 @Override
 public int fill(ForgeDirection from, LiquidStack resource, boolean doFill) {
   if (resource == null
       || (resource.itemID != LiquidDictionary.getCanonicalLiquid("sewage").itemID)) {
     return 0;
   } else {
     return _tank.fill(resource, doFill);
   }
 }