Bong Dictionary — Glass Bong Parts and Terms Explained

     Almost every day we get questions from customers asking what a certain glass part is called, what size they need, or why a bong did not come with an instruction book. What is a downstem? Is a slide the same thing as a bowl? What does 14mm mean? Do I really need an ash catcher?

 After answering the same questions for years, I realized most people do not need a complicated smoking guide. They just need somebody to explain the names in normal English. This bong dictionary covers the glass bong terms and parts we hear about most often.

Bong

 A bong, also commonly called a water pipe, is a smoking pipe that passes smoke through water before it reaches the mouthpiece. Glass bongs come in many shapes, including beaker bongs, straight tubes, round-base bongs and recyclers.

 The basic design is usually simple. There is a bowl, a joint or downstem, a water chamber, a neck and a mouthpiece. Some models add percolators, ice pinches, ash catchers or other accessories.

 After handling many different styles over the years, I have found that learning the basic parts is much more useful than memorizing every bong design. Once you understand the joint, bowl and downstem, most glass pieces become much easier to figure out.

Bowl or Bowl Slide

 The bowl is the removable glass piece that holds dry legal herbs or tobacco. You may also hear it called a bowl slide or simply a slide.

 Most modern glass bowls have a male ground-glass joint that fits into a female joint on the bong or downstem. Bowls come in different colors, shapes and designs, but the most important thing when replacing one is the joint size.

 A beautiful bowl that does not fit your bong is still the wrong bowl.

Downstem

 A downstem is the tube that carries smoke from the bowl down into the water chamber.

 Traditional beaker and straight-tube bongs often use removable downstems. The top of the downstem holds the bowl, while the lower section extends into the water.

 Some downstems have simple open ends. Others have several slits or small holes that break the airflow into more bubbles as it enters the water.

 One thing customers often overlook is length. Even when the joint size is correct, a downstem that is too long may touch the bottom of the bong, while one that is too short may not sit properly in the water.

Joint

 The joint is the ground-glass connection where two bong parts fit together.

 Common modern joint sizes include 10mm, 14mm and 18mm. You may also see the more exact industry measurements of approximately 14.5mm and 18.8mm, although most stores simply call them 14mm and 18mm.

 Joint size matters because replacement bowls, downstems and ash catchers need to match the bong.

 This is one of the most common problems we see when people buy replacement glass. Two joints can look almost the same in a photo, but a 14mm bowl will not properly fit an 18mm joint.

Male and Female Joint

 A male glass joint slides inside another joint. A female joint accepts the male piece.

 Most modern glass bongs use a female joint on the main body and a male joint on the bowl. However, there are exceptions, especially with older pieces and some dab rigs.

 Always check both the size and the joint type before ordering replacement parts.

Recycler

 A recycler is a type of water pipe with additional glass tubes or chambers that allow water to circulate through the piece.

 You can usually recognize one by the extra external or internal glass pathways. When air is pulled through the piece, the water can visibly travel through these sections before returning to the main chamber.

 Recycler designs are usually more complicated to make than a basic straight tube or beaker, which is one reason they often cost more.

Percolator

 A percolator, usually shortened to perc, is an additional glass structure inside a water pipe that divides airflow into smaller bubbles.

 There are many designs, including tree percs, showerhead percs, honeycomb percs and matrix-style percs.

 More percolators do not automatically mean a better bong. They can add more diffusion, but they can also add resistance and make the piece harder to clean. I usually tell customers to think about maintenance as well as appearance.

Ice Pinch

 An ice pinch is a group of small glass points inside the neck of a bong.

 They are designed to hold ice above the water chamber without letting it fall all the way to the bottom.

 Some bongs have three simple pinches. Others use a larger glass ice catcher.

Ash Catcher

 An ash catcher is a removable glass attachment that sits between the bowl and the bong.

 Its main job is exactly what the name suggests. It catches ash and debris before they enter the main water chamber.

 Many ash catchers also contain a small water chamber or percolator.

 An ash catcher can make a bong easier to keep clean, but there is one detail people sometimes forget. The joint size and joint angle have to match the bong.

Splash Guard

 A splash guard is an internal glass structure designed to reduce water splashing upward toward the mouthpiece.

 You often see splash guards in taller pieces or bongs with strong percolation.

Banger

 A banger is a bucket-shaped attachment commonly made from quartz and designed for compatible concentrate equipment.

 It looks very different from a traditional dry-herb bowl. A bowl usually has a deeper funnel shape, while a banger normally has a flat-bottomed bucket.

 For this dictionary, the important thing to remember is simple. A bowl and a banger are different parts designed for different types of legal material.

Dabber

 A dabber is a small tool used for handling compatible concentrate material.

 They are commonly made from glass, stainless steel, titanium or other heat-resistant materials and come in many tip shapes.

Carb Cap

 A carb cap is a small accessory designed to sit over a compatible banger.

 Different carb cap shapes control airflow in different ways. Common styles include flat caps, directional caps and bubble caps.

Nail

 Before quartz bangers became common, many concentrate setups used glass, ceramic or titanium nails.

 The name came from the shape of early versions, which really did resemble a metal nail from a toolbox.

 You still see nails today, although quartz bangers have become much more common on modern glass rigs.

10mm, 14mm and 18mm

 These numbers describe the approximate diameter of the ground-glass joint.

 A 10mm joint is relatively small and is often found on compact pieces. A 14mm joint is extremely common on medium-size glass pieces. An 18mm joint is larger and is frequently used on bigger water pipes and downstems.

 Do not choose replacement parts based only on the size of the bong. Measure or check the original specifications.

Reducer Downstem

 Sometimes you will see a downstem described with two sizes, such as 18mm to 14mm.

 That usually means the lower joint fits an 18mm opening on the bong while the upper opening accepts a 14mm bowl.

 These reducer downstems are very common, and the two different numbers often confuse first-time buyers.

Mouthpiece

 The mouthpiece is the opening at the top of the bong.

 It sounds obvious, but mouthpiece size and shape can make a noticeable difference in how comfortable a piece feels. Some are wide and flared, while smaller water pipes may have much narrower openings.

Neck

 The neck is the long upper section between the main chamber and the mouthpiece.

 On many bongs, the neck may also contain an ice pinch, percolator or splash guard.

Base

 The base is the bottom portion of the bong.

 A beaker base flares outward and creates a wide footprint. A straight-tube bong has a narrower cylindrical body, while a round-base bong uses a rounded water chamber.

 Different bases change the shape, water capacity and stability of the piece.

Final Thoughts

 Glass terminology sounds complicated mainly because stores and manufacturers sometimes use different names for the same part. Slide, bowl slide, stem, downstem and joint are good examples. After you understand what each part actually does, the terminology becomes much easier.

 From years of helping customers find replacement glass, I have learned that the most important details are usually very basic. Know your joint size. Know whether the joint is male or female. Measure the downstem before replacing it. And when you are not sure, do not guess from a photo.

 Those few details prevent most of the compatibility problems we see.