Article at a Glance:

  • A downstem is essential for connecting the bowl and water chamber of a bong. It cools and purifies the smoke by guiding it through water, creating a smooth and enjoyable smoking experience.
  • Find the perfect downstem by considering joint size, length, material, and filtration preferences. Explore the market for exceptional downstems that cater to your specific smoking needs.
  • Keep your downstem clean and in good condition for the best smoking experience. Proper care and storage are essential for maintaining pipe performance and long-lasting enjoyment.
  • Enhance your smoking sessions with our top-notch downstems. Explore a diverse range of options at Glass Bongs Australia. Enjoy quick delivery and discreet packaging. Upgrade your bong experience now!

Downstems are a must-have for every bong lover. They ensure that the smoke travels smoothly, from the cone piece to the water chamber. To enhance your smoking pleasure, it's essential to grasp the significance of downstems. Our all-inclusive guide has got you covered. It will take you on a journey through the world of downstems, highlighting their advantages, various types, measurement techniques, and more. So, let's plunge into the world of downstems and learn how to make the right choice for you and your bong.


Woman holding a diffusor downstem and Bud Gripper Bong

A downstem is an essential tube that links the cone piece and the water chamber of a bong. It acts as a pathway for the smoke, resulting in a smoother and cooler hit. The downstem is vital for filtration as it immerses the smoke in water, cooling and purifying it before it reaches your lungs. A downstem is a game-changer for an improved smoking experience. It guarantees smoother hits and shields your bong from ash and debris. With a cleaner water chamber, your sessions will be more enjoyable.


Woman inserting a black diffusor downstem into a Matte Black Bud Beaker Bong

A downstem is a game-changer for your bong, elevating your smoking experience to new heights. Here's why you should consider using one:

  • Improved Filtration: Better smoke filtration is achieved through the downstem, which allows the smoke to pass through water in the bong. This process effectively traps impurities and ash, resulting in a cleaner and purer smoke. As a result, harmful substances are removed, making the smoke gentler on your lungs.
  • Enhanced Smoke Diffusion: The downstem works its magic by enhancing smoke diffusion. It creates turbulence in the water, breaking up the smoke into smaller bubbles and expanding its surface area. This leads to better interaction between the smoke and the water, resulting in improved diffusion. The increased diffusion ensures that the smoke is evenly distributed throughout the bong, giving you a smoother and more flavourful smoking experience.
  • Cooler Smoke Temprature: When you smoke through a bong, the water-filled chamber cools down the temperature of the smoke. The downstem plays a vital role in this process by allowing the smoke to interact with more water, effectively reducing its harshness and making it easier to inhale.
  • Reduced Drag: A key benefit of having a downstem is that it improves airflow. By creating an unobstructed pathway for the smoke, it reduces drag and makes it much easier to draw in. This ultimately results in smoother and effortless hits, allowing you to fully enjoy your smoking experience.


Woman holding a diffusor downstem and a Bud Fluoro Tree Percolator Bong

There are different types of downstems in the market, each with its own unique features and benefits. Let's dive into some of the most common types available:

Glass Downstems

Glass downstems reign supreme in the world of bong enthusiasts. With their visually appealing designs and unwavering longevity, it's no wonder they are the top choice. From different lengths to a variety of styles, glass downstems offer the perfect fit for your beloved bong. And let's not forget about their impressive heat resistance, ensuring your downstem will endure for years to come.

Metal Downstems

Metal downstems are more durable and less likely to break than glass downstems. They also tend to be more budget-friendly. However, many avoid metal downstems because they can be opaque and pose health risks. The taste of the smoke can be affected, giving it a metallic flavour. Additionally, it is hard to see the smoke passing through due to their lack of transparency.

Silicone Downstems

Silicone downstems are a modern alternative to traditional glass downstems. Crafted from durable, food-grade silicone, these downstems are virtually indestructible. They boast easy cleaning, heat resistance, flexibility, and affordability. However, it's important to note that they may not offer the same smoke diffusion and filtration as glass downstems, and they have limited aesthetic options.

Diffusor Downstems

Diffused downstems are crafted with multiple slits or holes at the base, resulting in a diffusion effect. This helps to enhance filtration by breaking the smoke into smaller bubbles, leading to incredibly smooth hits. If you value smoothness and want to minimise harshness, diffused downstems are the perfect choice for you.

Removable Downstems

Cleaning and maintaining your bong is a breeze with removable downstems. These handy attachments can be effortlessly detached, making it a breeze to clean both the downstem and the bong. Crafted from either glass or silicone, you'll find a variety of lengths and styles to suit your preferences. Keep your bong looking fresh and clean with removable downstems.


Diffusor downstem used in a Bud Round Base Bong - Teal

Measuring a downstem is crucial to ensure a proper fit for your bong. Here's a step-by-step guide on how to measure a downstem:

1. Remove Your Old Downstem: Take out the downstem from your bong by gently twisting and pulling it out.

2. Measure The Joint Size: Get out your ruler or tape measure and start by figuring out the joint size of your bong. The joint size refers to the diameter of the opening where the downstem connects to the water chamber. It's usually measured in millimeters (mm) and can range from 14mm to 18mm.

3. Measure The Length: First, determine the downstem's length by measuring from the joint's bottom to the downstem's bottom. This way, you can ensure a proper fit without it protruding excessively into the water chamber.

4. Consider The Angle: Downstems come in different angles to suit bongs with bent or slanted necks. So, if your bong has a unique neck angle, it's important to select a matching downstem for a seamless fit.

Get the perfect downstem for your bong and enhance your smoking sessions by using these simple guidelines.


Inserting a diffusor downstem into a Bud Beaker Bong - Pink

When picking a downstem for your bong, there are a few things you should think about to make sure it fits perfectly and works well. Here are some important factors to remember:

  • Joint Size Compatibility: One of the key aspects to keep in mind is the matching joint sizes of the downstem and your bong. A downstem with an incompatible joint size can lead to an ill-fitting connection and potentially impact your smoking session negatively.
  • Length Of Downstem: When it comes to smoke filtration and cooling, the length of the downstem is crucial. Opting for a longer downstem offers more filtration surface area, guaranteeing smoother hits. However, keep in mind the height of your bong and select a downstem that comfortably fits without excessively protruding into the water chamber.
  • Material: Downstems come in a variety of materials - glass, silicone, and metal. Each material has unique pros and cons. Glass downstems are visually appealing and offer great heat resistance. Silicone downstems, on the other hand, are flexible and long-lasting. Metal downstems are incredibly durable but might impact the smoke's taste.
  • Filtration Preferences: When it comes to smoke filtration, consider your personal preferences. If you're all about smooth hits, go for a diffused downstem with multiple slits or holes. But if you like to keep it old school, a standard downstem might be more your thing.

Selecting the ideal downstem for your bong is crucial. It should not only enhance its performance but also provide an enjoyable smoking session. To achieve this, make sure to consider these factors.


Diffusor downstem inside a Bud Matrix Percolator Bong

Downstems are crucial for filtering smoke in a bong. When you inhale, the smoke goes from the bowl into the water-submerged downstem. As the smoke passes through the water, it cools and filters, getting rid of impurities and making the hit less harsh.

The length and design of the downstem play a vital role in how well the filtration process works. A longer downstem gives the smoke more opportunities to cool down and filter through the water, resulting in a smoother experience. Additionally, diffused downstems with multiple slits or holes create more bubbles and increase the smoke's contact with the water, making the filtration even more effective.

Upgrade your smoking experience with a downstem for your bong. It guarantees smoother and cleaner hits, reducing the harshness and health risks commonly associated with smoking.


Keeping your downstem in top shape is essential for optimal performance and long-lasting usage. Here are a few quick tips to maintain its excellent condition:

  • Regular Cleaning: Keeping your downstem clean is essential for preventing the accumulation of resin and debris. To achieve this, try soaking it in a cleaning solution like isopropyl alcohol or a best-selling cleaner such as Formula 420 and giving it a gentle scrub with a brush to eliminate any leftover residue. Finally, rinse it thoroughly with warm water to ensure a fresh and clean downstem.
  • Avoid Harsh Cleaners: Keep your downstem in tip-top shape by steering clear of harsh chemicals or abrasive materials that could potentially cause damage. Instead, opt for mild cleaning solutions and soft brushes to ensure that no scratches or breakage occur.
  • Inspect For Damage: Make sure to regularly check your downstem for any signs of damage. It's crucial to look out for cracks or chips. In case you find any damage, make sure to replace the downstem right away. This will help you avoid any potential hazards.
  • Store Correctly: When not in use, store your downstem in a safe and clean place to avoid accidental damage or contamination. Consider using a protective case or sleeve to prevent any breakage during storage or transportation.

By following these maintenance tips, you can ensure that your downstem remains in optimal condition, providing you with the best smoking experience for years to come.


Buying a downstem for your bong online is an easy process with a plethora of options available. Glass Bongs Australia is the country's premium bong shop and have a wonderful selection of downstems to choose from. They have plenty of glass diffusor downstems to choose from including clear, green, teal, blue and more. With free shipping on all orders over $150 and plain, discreet packaging - you can't go wrong with the nation's number one smoke shop.


Woman holding a glass diffusor downstem alongside Bud Matrix Percolator Bong

Getting the perfect downstem for your bong is a game-changer when it comes to enjoying your smoke sessions. Whether you're new to the world of downstems or just want to upgrade your current one, knowing the ins and outs will help you make the right choice. From understanding their significance to exploring the various types and measuring techniques, we've got you covered.

When selecting a downstem, keep in mind factors like joint size, length, material, and filtration preferences. Take the time to research the market for high-quality downstems with distinctive features that cater to your smoking requirements.

Keeping your downstem clean and well-maintained is key to enjoying a top-notch smoking session every time. Don't underestimate the power of proper care and storage – it's what keeps your pipe performing at its best and ensures a long-lasting experience.

Enhance your smoking experience with the ideal downstem for your bong at Glass Bongs Australia. Explore the realm of downstems and take your sessions to unparalleled heights with our superb selection, fast shipping and discreet plain packaging.

Vincent James

About Vincent James

Vincent James isn't just your everyday marijuana enthusiast. He's a true connoisseur who's all about exploring the boundless benefits of medicinal cannabis for thousands of fellow Australians. In his articles, he dives into every facet of smoking, from the coolest bongs and vapes to the essential accessories like grinders and cleaners.