Free Shipping over $50

Downstem Sizes For Your Bong - How To Measure?

Downstem Sizes For Your Bong - How To Measure?

The downstream is a crucial component of a bong, aiding in smoke filtration and providing a smooth hit. Choosing the correct downstream size is essential for an optimal smoking experience. It is measured in millimeters, and an appropriately sized downstream can improve the overall quality of your hit.

However, finding the right downstem size can be a bit tricky, especially needing help with how to measure it. In this article, we'll explore everything you need to know about downstream sizes for your bong, how to measure it, what the standard size is, and how to find the right size downstem for your bong.

Puffco Budsy Water Bottle Bong

What Is A Downstem Size, And How To Measure It?

A downstem is an essential component of a bong or water pipe that helps to connect the bowl to the main chamber. Made from materials such as glass, silicone or metal, the downstem is typically a long, slim tube that extends from the bowl into the water chamber of the bong. It plays a crucial role in filtering and cooling the smoke as it passes through the water, creating a smoother and less harsh smoking experience.

 In addition, the downstem creates a vacuum that pulls the smoke from the bowl into the bong, making it easier to inhale. 

Downstems are available in various sizes and shapes, which can impact the rate at which the smoke is drawn into the bong, the amount of smoke that is filtered and cooled, and the overall smoking experience. Choosing the proper downstem for your bong ensures a smooth and enjoyable smoking experience.

Types Of Downstems

Several types of down stem available for bongs and water pipes, each with unique features and benefits. Some of the most common types of down stems include:

  1.   Standard Downstems
  2.   Diffused Downstems
  3.   Showerhead Downstems
  4.   Stemless Downstems
  5.   Silicone Downstems

Each downstem offers unique benefits, so choosing the right one is essential based on your specific preferences and smoking style.

What Is The Most Common Bong Downstem Size?

The most common bong downstem size is 14mm or 18mm, with 14mm being the standard size. However, it's essential to note that downstem sizes can vary depending on the bong's design and the manufacturer's specifications. It's always best to measure the downstem size accurately to ensure a proper fit and an optimal smoking experience.

How To Find Out Your Bong Downstem Size?

To determine your bong's downstem size, measure the inner diameter of the joint opening where the downstem fits using a ruler, measuring tape, or calipers. Choose the appropriate size for your bong by comparing the measurement to the range of downstem sizes. Remember to consider the downstem's length as well, as it can impact smoke filtration and hit smoothness.

Measure The Bong Downstem Size

To measure the bong downstem size, one should measure the diameter of the opening where the downstem will fit using a ruler or measuring tape. It's essential to measure the inner diameter of the joint opening precisely to ensure that the downstem fits snugly and functions appropriately. Choosing the correct size will provide an optimal smoking experience.

What Size Of Gasket Do You Use For 14mm Bong downstem?

The size of the gasket used for a 14mm bong downstem is also 14mm. The gasket is the piece that creates a seal between the downstem and the bong's water chamber. To prevent the downstem from breaking or harming the gasket, make sure the gasket is snug but not too tight.

How To Find The Right Size Downstem For A Bong?

To find a larger downstem that fits your bong. The downstem is too large, you'll need to find a smaller one. To do this, you'll need to measure the diameter of the downstem, as we mentioned earlier. 

Once you know the size of your downstem, you can search for downstems that are the right size. Most online smoke shops will have down stems in various sizes, so you should be able to find one that fits your bong.

Downstem Bong Bowl Size

It's also important to consider the size of the downstem bong bowl. The bong bowl is the piece that holds your smoking material, and it should be compatible with your downstem. If you have a downstem that's too small for your bowl, you may need help to fit enough smoking material in the bowl. Conversely, if your downstem is too large, your bowl may not fit snugly, which can cause smoke to escape.

How Do You Tell Needed Size Of Bowl/Downstem For The Bong?

To tell the needed size of the bowl/downstem for your bong, you'll need to measure the diameter of the bowl and the downstem. Make sure to measure the widest point of both components. 

Once you have these measurements, you can compare them to the sizes of down stems and bowls available at your local smoke shop or online retailer. It's essential to ensure that the dimensions of the downstem and bowl are compatible, as using the correct sizes can result in a better smoking experience.

What To Do If Your Downstem Size Is Too Small For Your Bong?

If your downstem size to small for bong what size bong downstem do I need? The answer is that, if it happens that you'll need to find a larger downstem that fits your bong. One option is to use an adapter to help you connect downstem to your bong. However, it's important to note that using an adapter can affect the smoking experience and may not be the best solution.

What To Do If Your Downstem Size Is Too Large For Your Bong?

If your downstem size is too large for your bong, you'll need to find a smaller downstem that fits your bong. If you can't find a downstem that's the right size, you may need to replace your bowl as well, as the bowl size and downstem size need to be compatible.

Acrylic Water Pipe - Large Bong


In conclusion, the downstem is a vital component of any bong as it helps to filter smoke, create bubbles, and provide a smoother hit. Choosing the right downstem size is crucial to ensure that it fits your bong snugly and works correctly. Measuring the inner diameter of the joint opening accurately is essential when choosing the correct downstem size. A ruler, measuring tape, or calipers can measure the size of the downstem. Proper measurement and fitting of the downstem will ensure an optimal smoking experience with your bong.