3 Ways To Build A Still - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Build a Still PDF download Download Article Author Info

Last Updated: June 13, 2025 References

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  • Building a Stove Still
    • |
  • Build a Large Solar Still
    • |
  • Build a Small Solar Still
    • |
  • Video
    • |
  • Q&A
    • |
  • Tips
    • |
  • Warnings
    • |
  • Things You'll Need
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wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 19 people, some anonymous, worked to edit and improve it over time. There are 7 references cited in this article, which can be found at the bottom of the page. This article has been viewed 262,868 times. Learn more...

Stills are used for many purposes, from purifying water to making gasoline. A still can also be used to make alcohol but in many countries, using a still to make liquor is against the law and can be a dangerous undertaking, both in terms of the process itself and consuming the end product. However, it is perfectly legal, and potentially life saving, to build a still that purifies water. In addition, water stills are interesting contraptions for those with an interest in science, so some people build stills as a fun project.

Steps

Method 1 Method 1 of 3:

Building a Stove Still

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  1. Step 1 Get your materials. 1 Get your materials. You will need a variety of materials, most of which you can get at your local hardware store. Bending copper tubing is involved, so if you really want to make your life easier, you can get a tool which helps you bend tubes (found in the plumbing department of your local hardware store). The materials you'll really need are:
    • You'll need a kettle or a pressure cooker (preferably copper, or stainless steel, absolutely never aluminum or lead)
    • A cork or rubber stopper which will fit the opening of your kettle or pressure cooker
    • ~8mm copper tubing (amount will depend on set up, 10-20 ft is a good amount)
    • A very large thermos/small watercooler or a plastic bucket (if you're cheap)
    • Tube couplings (maybe)
    • A thermometer
    • A good drill
    • Some silicon or Sugru
  2. Step 2 Make the stopper. 2 Make the stopper. Drill two holes in your rubber or cork, one for the copper tube and one for the thermometer. These holes should be very slightly smaller than the tube and thermometer, to create a tight fit. Make sure the stopper you use is generally cut to tightly fit the opening of your kettle or pressure cooker. Advertisement
  3. Step 3 Prepare the copper coil. 3 Prepare the copper coil. You will need a copper coil to condense the vapor coming from the pot. Take your 8mm copper tubing and shape it into a coil towards one end. You will need a long straight section and a short (at least 6") straight section on each side of the coil. To bend the coil, you can simply bend it around an object or you can use tools designed for bending tube. The coil should be small enough to fit in the thermos or watercooler, with about 1" of space on either side.
    • These copper coils tend to kink very easily. To avoid this, you can block the tube at one end and fill the tube with salt or sugar (never use sand). Use a funnel and make sure to shake the tube as you fill it to make sure that it fills evenly.
  4. Step 4 Make your condenser. 4 Make your condenser. The watercooler will be your condenser. Drill a hole on the side at the bottom, where the short section of copper tube will come out and deposit your distilled product. Then, drill a hole at the top on the lid. This is where the long section of tube will come out.
  5. Step 5 Place the coil in the condenser. 5 Place the coil in the condenser. Put the copper tubing in the condenser, threading the short end through the hole at the bottom. Once enough of the short end is coming out of the condenser, seal the edges of the hole with silicon or other material, like Sugru or caulk. Then, thread the long straight section of the tube through the hole at the top.
    • If you want it to be easier to get the lid on and off, cut the tube a few inches after it comes out the hole on the top. Have a separate section which spans the distance and goes into the kettle. Connect the two with couplings, which can be undone as necessary.
    • Make sure you unplug the tube if you did so to fill it with salt. You will also want to empty the tube and rinse out the salt before doing this step, although, it can also be done afterwards, with a greater amount of difficulty.
  6. Step 6 Connect the tube to the pot. 6 Connect the tube to the pot. Connect the long portion of the tube to the kettle or pressure cooker, by inserting the other end of the tube into the kettle. It should be inserted only enough to reach inside the kettle, not be submerged in the liquid.
  7. Step 7 Insert the thermometer. 7 Insert the thermometer. Insert the thermometer into the appropriate hole. Make sure it is place deep enough that the end will be submerged but that it will not touch the bottom or the sides of the pot.
  8. Step 8 Use the still correctly. 8 Use the still correctly. Fill the condenser with ice, water, and rock salt. Make sure you use this still on an electric stove, as open flames can cause problems. Do not heat the pot once everything has boiled away, and generally be careful as pressure can build up if you have done something incorrectly. If distilling alcohol, don't drink anything which comes out when the temperature reads below 173 F or you will be treated to the best in beverages that make you blind.[1]
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Method 2 Method 2 of 3:

Build a Large Solar Still

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  1. Step 1 Gather your materials. 1 Gather your materials. You will need a container for the distilled water, a plastic sheet and a shovel. You may also want some plastic tubing.
  2. Step 2 Dig a hole. 2 Dig a hole. Dig a hole about as large as the plastic sheet and deep enough so that when you weigh the center of the sheet down, there will be several inches between the bottom of the sheet and the bottom of the hole.[2]
    • This is the sort of still that would be good if you actually have to distill your drinking water. If you get stranded on a desert island, this is your best option.
  3. Step 3 Insert your container. 3 Insert your container. Set your drinking container in the center of the hole and partially bury it to keep it from falling over. Insert one end of the plastic tubing into the container and lay the other end well outside the hole. The goal is to keep the tubing clean and secure so it doesn't fall back into the hole.[3]
  4. Step 4 Add plant material. 4 Add plant material. Line the hole with cactus, leaves or other living plant parts if they are available. Placing plants in the hole isn't necessary, but will help your still produce more water.
  5. Step 5 Cover your hole. 5 Cover your hole. Cover the hole with a plastic sheet use rocks to weigh down the corners.[4]
  6. Step 6 Add a weight. 6 Add a weight. Carefully place a rock in the center of the plastic sheet so it slopes downward at an angle of about 45 degrees; the lowest point should be directly over the container in the hole, but not touching it.
  7. Step 7 Seal the edges. 7 Seal the edges. Cover all edges of the plastic sheet with dirt or sand to keep water vapor from escaping. Take care not to cover the plastic tubing.[5]
  8. Step 8 Wait for moisture to collect. 8 Wait for moisture to collect. Wait two or three hours for moisture to collect on the plastic sheet and run down the sides into the container.[6]
  9. Step 9 Drink! 9 Drink! Drink the water through the plastic tubing. You can disassemble the still and drink directly from the container, but you will have to build the still again when you're through; in the meantime, any water vapor on the sheet will evaporate.
    10. Advertisement
Method 3 Method 3 of 3:

Build a Small Solar Still

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  1. Step 1 Get a fairly deep, large bowl. 1 Get a fairly deep, large bowl. This bowl can be plastic, aluminum, or steel, but it should not be made of lead. Put this bowl on a sunny surface outside.[7]
  2. Step 2 Put a cup or small bowel in the larger bowl. 2 Put a cup or small bowel in the larger bowl. The cup or bowl should be shorter than the edges of the large bowl.
  3. Step 3 Fill the large bowl with water. 3 Fill the large bowl with water. Fill the large bowl with water but do not go over the edge of the small bowel or cup.
  4. Step 4 Cover the bowl with plastic wrap. 4 Cover the bowl with plastic wrap. Cover the bowl very tightly with plastic wrap. Use tape or rubber bands to ensure a tight seal.
  5. Step 5 Place a weight at the center of the plastic. 5 Place a weight at the center of the plastic. This should be right over your cup or bowl and should angle the plastic down. Make sure the plastic does not touch the cup, though. A good weight to use would be a rock.[8]
  6. Step 6 Wait for your water. 6 Wait for your water. The sun will evaporate the water in the large bowl, causing the water vapor to rise and condense on the plastic. Since the plastic is weighted and angled, the condensation will roll down into your cup. Mmmm! Clean water!
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References

  1. ↑ https://www.youtube.com/watch?v=00kKPOs_FA4
  2. ↑ https://www.desertusa.com/desert-people/water-solar-still.html
  3. ↑ https://www.desertusa.com/desert-people/water-solar-still.html
  4. ↑ https://www.desertusa.com/desert-people/water-solar-still.html
  5. ↑ https://www.desertusa.com/desert-people/water-solar-still.html
  6. ↑ https://www.youtube.com/watch?v=xMMqcWXM30c
  7. ↑ https://www.energy.gov/sites/prod/files/2014/06/f16/solar_rainmachine.pdf
  8. ↑ https://teachbesideme.com/simple-science-making-solar-still/
  9. https://www.fsec.ucf.edu/en/education/k-12/curricula/use/documents/USE_6_SolarStill.pdf
More References (1)
  1. https://www.dnrme.qld.gov.au/__data/assets/pdf_file/0007/1409587/years6and7science-solar-still-activity.pdf

Community Q&A

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  • Question Do I have to build a still? Ruah Ruah Community Answer No, you do not. Building a still is optional, and lots of people do not build solar stills. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 8 Helpful 7
  • Question Can I use glass tubing or Pyrex to make a better alcohol? T. Chinsen T. Chinsen Top Answerer Copper is the best heat conductor and is the most efficient in cooling on the still. Glass tubing holds a lot more heat and would need a larger cooling bath to achieve the same effect as copper. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 4 Helpful 4
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Video

Tips

  • If purifying water using the stove still, try to use glass tubing instead of copper. This makes the purest water! Thanks Helpful 10 Not Helpful 16
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Warnings

  • Don’t ever use an alcoholic still indoors, and especially not if you’re using a propane burner. Instead, use a single electric burner or propane burner outside in a well ventilated area. When you use stills indoors the alcohol vapors can build up and ignite, which can cause a very large fire, especially if you aren’t prepared with the correct class fire extinguisher. Seriously people, don’t do it, this is a major fire hazard since alcohol vapors are extremely flammable and explosive under the right conditions. Thanks Helpful 7 Not Helpful 1
  • Be sure to supervise a stove-top still. If you don't turn the stove off as soon as the water is completely boiled out of the pot, you can damage the pot, the glass and possibly the bowl. Thanks Helpful 10 Not Helpful 7
  • Don't seal the pot on the stove too tightly. Using a weight in a bowl will prevent too much steam from escaping but also keeps pressure inside the pot from building up. Seal your pot too tightly, and it may explode. Thanks Helpful 9 Not Helpful 10
  • Very high proof alcohol burns with an invisible flame, so be wary. These flames can melt your drip pan and turn a peaceful distilling process into a fiery inferno of death in less than the blink of an eye. For this reason, plastic drip pans are a bad choice, glass is better but not best because it will shatter if heated too fast or unevenly, metal is best. This is also why small neck drip pans are always a good idea, because they limit the airflow, and can contain a fire longer (but still only temporarily) or at least make them much easier to put out if noticed. Thanks Helpful 2 Not Helpful 1
  • Make sure your condenser is dripping well away from your burner. Thanks Helpful 1 Not Helpful 0
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Things You'll Need

  • Large pot, such as a Dutch oven or stock pot
  • Large metal bowl
  • 8-oz drinking glass
  • Weight
  • Ice
  • Stove
  • Plastic sheet
  • Shovel
  • Water bottle or other clean container
  • Plastic tubing (optional)

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About This Article

wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 19 people, some anonymous, worked to edit and improve it over time. This article has been viewed 262,868 times. 1 votes - 100% Co-authors: 19 Updated: June 13, 2025 Views: 262,868 Categories: Water Filters Article SummaryX

To build a small solar still, place a large bowl in a sunny spot outside. Next put a small bowl inside the larger bowl. Fill the large bowl with water, but do not completely submerge the small bowl. Use plastic wrap to tightly cover the bowls, and place a weight at the center of the covering to angle the plastic down. The sun will evaporate the water in the large bowl, causing water vapor to rise and condense on the plastic. Since the plastic is angled down, the condensation will roll into your cup and make clean water. If you want to learn how to make a still on your stove, keep reading the article! Did this summary help you?YesNo

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Co-authors: 19 Updated: June 13, 2025 Views: 262,868 100% of readers found this article helpful. 1 votes - 100% Click a star to add your vote

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