How To Measure The Bong Downstem?

Does the occasional bong cough lessen these days? The smoothness of your hits has diminished with time.  An ineffective downstem for your bong may be the usual offender.  Be at ease!  The procedure of measuring your downstem is simple and quick. 
 In this article, we'll show you exactly how to determine the ideal specifications so that your bong operates at peak efficiency and tastes excellent.

  Table of contents:

  • Quantify The Inner Chamber of the Bong
  • Check downstem and bowl sizes
  • Measure The Object
  • Calculate The Joint
  • Choose A Different Downstem 

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Quantify The Inner Chamber of the Bong

Once it is about ½ inch from the bottom, insert a pencil—or any other straight object—into the female ground joint opening. Mark the joint's exit point for the object.

Check downstem and bowl sizes

When purchasing a water pipe or bong, Downstem and bowl sizes are essential factors. The downstem is the part of the pipe that connects the bowl to the water chamber, allowing smoke to be filtered through the water.

The size of the downstem can affect the overall smoking experience, as a longer downstem may provide smoother hits and better filtration. Additionally, the size of the bowl determines how much herb can be packed about the size and smoked at once.

Downstem size

Bowl size







Measure The Object

Measure the distance with a ruler or tape measure between the mark and the object's inserted end. The length of the downstem you require equals the number you discover, which is the approximate ground joint to bottom measurement. As it will then put pressure on itself, ensure the downstem you receive is not longer than this dimension.

Calculate The Joint

If you haven't already, measure the female joint's width using the same instrument. The majority of commercial bongs have joints that are consistently 10, 14, and 18 millimeters in diameter, with 14 and 18 being the most popular

If a measuring device is unavailable, check to see if a dime will fit through the opening. Should it do so, your joint measures 18 mm. If not, the diameter is 14 mm, perhaps 10 mm. 

You can also see:

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  • Bong types

  • Choose A Different Downstem

    You can now look for a new downstem using your measurements. When purchasing from online headshops, you can find the precise length and width you like. The kind of male bowl you intend to utilize will also influence the downstem you choose. 

    Glass bowls come in 10, 14, and 18mm sizes, just like joints, so make sure your new downstem fits your glass bowl. Downstems features two joints: one for the bowl and another for the pipe connection. The downstem dimensions are 14 mm x 14 mm, 18 mm x 18 mm, 14 mm x 18 mm, and 18 mm x 14 mm.

    A pleasant bong experience depends on a downstem that fits correctly. It should drop into the water chamber without reaching the bottom to allow for adequate filtration. This brief tutorial is on measuring your bong downstem to ensure a precise fit.