Barrels come in various sizes. It is important for the barrel to function. You’ll notice a cork at in the middle of the barrel after you’ve got it in your hands. It’s easy to see the valve. In order to ensure that the seal is airtight, you will need to remove the valve from the top. You can blow into the seal to verify whether it is an air-tight seal. They expand as liquid is introduced to them. The seal swells just like a natural thing. The swelling causes the seal to form. You may fill the barrel with water. You can fill the barrel completely with water just a little or more. It will permit you to check how well the barrel expands. The seal will have the normal leakage of water. With any water leak, it should go away in a short time. Worst-case scenario, it goes completely away within a few hours. It should take no more than an hour for the seal to begin to form. To experience the full effects you may add water. They are specifically designed to provide many years of cleanliness and freshness. The time to age your whiskey will depend on the air-tight seal in the barrel. ihjeedajy7.