How to Build a Gravity Bong

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https://www.wikihow.it/Costruire-un-Bong-Gravitazionale

The gravity bong (or bucket bong) is a very efficient way to draw tobacco or other smoke into your lungs.It may seem complicated at first, but it's actually very easy to do.These steps will show you two slightly different ways to accomplish this:both require few basic materials.
Method 1
Method 1 of 2:

Waterfall (No Bucket Necessary)

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  1. Watermark wikiHow to Costruire un Bong Gravitazionale
    A two-liter soft drink bottle is ideal.Pour a glass to all your friends, they will thank you later, when their mouths are soft – and now you need the empty bottle.
    • The new design of coke bottles makes some of the caps more difficult to work with.If you don't use a Coca-Cola product, try finding other caps.
  2. Watermark wikiHow to Costruire un Bong Gravitazionale
    You can use a drill, or just hold the lighter on the plastic (on the side, near the bottom).When the plastic is soft, pierce it with scissors to make a hole.Enlarge the hole by turning the scissors 360 degrees.
    • Make the hole large enough so you can cover it with your thumb.If it's too small there won't be enough airflow to take a hit;if it's too big, or even almost too big to cover with just your thumb, get another bottle.
      • Alternatively, you can use a glass bottle.In this case you will need to use a drill with a glass bit, but the idea is the same.
  3. Watermark wikiHow to Costruire un Bong Gravitazionale
    Use the lighter to soften the plastic if necessary.Once pierced from side to side, rotate the scissors to make the hole round.
    • A jackknife is ideal because, generally speaking, when the entire blade has passed and stops against the handle, the cut it leaves is the perfect diameter for what you need.Once you've pierced the cap, roll the knife slowly to create a circle.In any case, scissors or drill will give the same result.
  4. Watermark wikiHow to Costruire un Bong Gravitazionale
    There are a couple of methods to do this:with foil or a can.
    • Foil Method: take a piece of foil and place it on the bottle cap.
      • Press it down with your finger so that it forms an indentation in the hole you just made.
      • Crumple the foil around the edges of the cap so that it is stable.
      • Finally, use a pin or needle to poke small holes in the part of the foil that goes into the hole.Make sure they are small enough that nothing falls in.
    • Aluminum can method: Carefully cut a rectangular piece from a soda can.Better if empty.
      • Fold the rectangular piece into a funnel shape.The top part must be wide enough to put the tobacco in, the bottom part small enough so that nothing falls into it.
      • Insert the funnel into the hole in the cap.The cap should split the funnel in half, the top of the bowl stays out but the bottom goes into the bottle when you put the cap back on.
      • Use hot glue or super glue to glue the funnel to the cap and make sure the hole is well sealed.
  5. Watermark wikiHow to Costruire un Bong Gravitazionale
    Make sure it's capped tightly, then fill the bottle with water
    • Fill the bowl with tobacco and screw the cap back on.
    • Light the tobacco in the bowl and release your thumb from the hole in the bottom.As the water exits, the vacuum will draw air through the tobacco, into the bottle, which will fill with smoke.
    • When all the water has drained out, remove the cap and vacuum.
    • If you have a funnel and a container, you can recycle the water (you can make a funnel from a can as described above, only larger).This makes the method portable, and usable for good or bad wherever you usually go to smoke.
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Method 2
Method 2 of 2:

The Bucket Bong

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  1. Use at least a 2 liter bottle – but a 3 liter is even better.
    • Empty it.Note the contours of the bottle before cutting it.There is usually a ring above the five-finger base.It's a great guideline.
  2. Watermark wikiHow to Costruire un Bong Gravitazionale
    With a 15 mm bit, make a hole in the center of the cap;If you don't have a drill, heat the plastic with a lighter until it softens, then pierce it with an iron rod to have an airtight seal.
  3. Watermark wikiHow to Costruire un Bong Gravitazionale
    Use a pipe wrench attachment, a bowl from another water pipe, or a funnel as described in the previous method.
  4. Watermark wikiHow to Costruire un Bong Gravitazionale
    You'll need one large enough to completely submerge your container.5 liter containers work very well.
    • Fill it with water.Place the container in the water without the cap.The top of the container should be a few centimeters above the surface of the water.
    • Fill the bowl with your smoking substance and screw on the cap.Be sure to place the container in the water before screwing on the cap, or it will cause your herbs to explode out of the container.
  5. Watermark wikiHow to Costruire un Bong Gravitazionale
    As you turn on, slowly take out the water bottle.The bottle will fill with smoke.
    • When the container is almost full and before the bottom comes out of the water, prepare:exhale!
  6. Watermark wikiHow to Costruire un Bong Gravitazionale
    Remove the cap and place your mouth on the top of the container and, without inhaling, push the bottle down until it touches the bottom of the bucket.This will push the smoke into your mouth without even inhaling.When the bottle reaches the bottom, suck up the rest and remove your mouth before the water rises to the rim.
    • If you inhale as you push down the bottle, you may not be able to empty it completely.
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Advice

  • If you push the container down while inhaling, the smoke will be pushed into you and you will inhale much more.
  • This design can easily be modified to filter water on its own.Find some hose that's the right size or fit it to the bottom of the fire pit and let it go down into the water.You will need to experiment and adjust the length of the hose before it works well.The tube should end about 3 to 8 centimeters above where the bottle is cut.This will also – but not much – change the technique you use when pulling the bottle upwards, since the suction will begin once you lift it just a few centimeters, and the smoke will begin to fill the bottle.This smoke should be smoother and easier to enjoy.
  • You can add ice to the water for a refreshing effect.
  • A good organization could include the use of a 2 liter bottle and a 5 liter container.The bottle fits perfectly in the container.
  • You can also drill a vent hole in the bottle, so you can suck out any remaining smoke after the bottle has been pushed all the way in.
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Warnings

  • The foil and aluminum can method are extremely harmful to the lungs.For a healthier option, use a glass or metal fire pit.
  • Only those over 18 should smoke.
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Things you will need

Waterfall Method (No Bucket Required)

  • A plastic bottle (glass is fine too)
  • Lighter
  • Scissors
  • Tin foil or can
  • A pin
  • Waterfall
  • Hot glue gun (optional)

Bucket Bong Method

  • A large container or bottle with the top cut off
  • A smaller bottle that will fit in the container, with a cap
  • Tin foil, can or bowl from a metal pipe
  • Waterfall
  • Lighter or matches
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