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Hello,
Here i have create a bong, made of 2 everclear (liquor) bottles, fused by drilling the caps together and inserting nails. I surrounded the dual cap connection with duct tape to prevent air leaks.
The entire bong stands in a vertical position. The bowl is located on the top with a tube leading though the inside of the bottles and trough the fused caps into the water in the lower bottle. The intake is located on the side of the top bottle, with a carb on the bottom of the top bottle.
Both bottles are 750mL. I want to know how many grams of marijuana i should put in the bowl for maximum smoke concentration in a 750mL volume. Does anyone know how to do this?

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Higher Logic

Packing A Bowl
Homemade Smoking Devices
Methods For Smoking & Their Efficiency

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hauptmann

Threads Merged

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cyberben

I have an HTML tutorial on building and using a really good vaporizer for pretty cheap.

Does anyone know where I can put it? It's just basic HTML and images. Anyone hosting information like this? Or has anyone come across a good collection of tutorials for building devices?

Higher Logic

Post it here

 

cyberben

Thanks HL -

You mean here on the forums (I think it might be too long)? Or is there a section of marijuana.com dedicated to building homemade devices?

I'd just host it myself but don't want to draw any unnecessary attention.

hauptmann

Threads merged. Draw all the attention you want in this thread now.

cyberben

The following is a simple vaporizer that uses a heat gun to capture vapor in a large turkey roasting bag. The vapor can then be inhaled at the user's discretion. Economy is excellent, the taste is clean, it's fast and simple to use, and this method is particularly ideal for multiple users.

Most vaporizers leave a lot to be desired when more than a few people are involved. This device delivers vapor in high volume. Even those resistant to the vaporizing concept will sing its praises once they see how effectively this gets them blasted.

A commercial turkey bag method (Volcano) is currently being used in some clinics to deliver medical marijuana, as described in this article: http://sfgate.com/cgi-bin/article.cg...NG9GDBBLK1.DTL

1. variable temp heat gun that can be turned down to 250°F
2. giant glass bowl with stem and handle (mouth must be 2" diameter)
3. glass tube for bowl stem to slide into
4. plastic turkey roasting bag from the grocery store
5. hair elastic or rubber band (to seal turkey bag around glass tube)
6. rubber o-ring to get a good seal between bowl stem / glass tube
7. screen for bowl

The hardest part is finding the super large bowl with a mouth wide enough to stick the heat gun nozzle into. The bowl needs to be made with thick glass and the mouth of the bowl must be 2" in diameter at the rim for the heat gun nozzle to fit.

You can get one custom made or try Google Search: "Vaporizer bowl"

The glass slide tube may come with the bowl as a combo. If it doesn't, get one that is at least 4" long. This length should provide enough stability for the top-heavy bowl, and will reach deep enough into the bag for smooth airflow.

1) Insert the glass tube into the opening of the turkey bag so that it just sticks out and then seal the turkey bag opening around the glass tube using the elastic (hair tie or rubber band).

There is a right and wrong way to do this. You might be tempted to roll the tube so the bag wraps around it, but you'll end up with a bag that is all rolled up and cannot inflate. Begin by connecting four equidistant points of the rim of the bag (North South East West) to the slide tube (hold in place with four fingers).

Then with the free hand, gather up the slack and bunch it evenly around the glass tube. Then wrap it up tight with the elastic.

Test the seal by blowing up the bag to capacity. You don't want any leaks, and it should easily inflate.

The elastic seal is where you will hold the device during use. You should be able to plug up the hole with your thumb for passing the bag around.

2) Slide the rubber o-ring onto the stem of the glass bowl. (optional)

Test fit by inserting assembly into the glass tube. Slide the o-ring up or down as necessary so the bowl is able to insert as far as possible into the tube while still maintaining a good seal. (not all bowl / tube combos will require an o-ring for a good seal)

3) Insert screen into bowl.

This is best done with the eraser end of a pencil or something similar. The screen should be in as deep as possible and should be preformed so it doesn't pop out in the middle of inflation.

This completes the entire assembly process.

Usage

more to come...

shakuan

You wanna get really really stoned.
Take your bong piece and take off the bowl, then you'll jsut have the metal shaft of the piece.. cut off a piece of cigerette, big enough to fit in the hole of the metal piece ( either tobacco up "red beard" or paper up "white wall". Then pack your weed on top. Brew the weed on top slowly until you think it is all burnd then pull the cigerette cut thru the piece into the bong.. thats a * POPPER * ... i liek this method because it uses very little weed but gets everyone ive seen do one.. ****eed.

makeshiftman420

man the best bong i made was a glass on glass the only part that wasnt glass was the mouthpiece