Introduction: Simple Water Filter Out of a Waterbottle

This Water Filter is very easy and quick to make. Most, if not all the materials can be found in or around your house.   A Water Filter can be a necessary survival item if you have no access to clean water.

Materials Needed:

- Water Bottle
- Scissors or Knife
- Coffee Filter, Cotton Balls, or fabric.
- Sand or charcoal
- Gravel
- Large gravel or small rocks
- Cup to hold filtered and non-filtered water.

Step 1:

1) Using your scissors or knife, cut of the very end of the water bottle like so...

Step 2:

2) Using your knife, scissors, or anything sharp, make a small hole in the center of the cap.  Make sure the cap is on tight!
In my case i used a small screwdriver and easily made a nice hole in the center.
A knife or scissors work just as well.

Step 3:

3) Now stick your coffee filter (or cotton balls or fabric) through the hole and down by the cap.  You may have to cut the size of the coffee filter down to make it fit in the bottle.  I had to use a pen to push the coffee filter down to the bottom. 

Step 4:

4) Now get your sand or crushed charcoal and fill up the bottle about 2 inches. 

Step 5:

5) Next, add your gravel into the bottle. Around 2 inches of gravel should be enough.

Step 6:

6) Finally add your larger gravel or small rocks into the bottle.  Again, 1-2 inches is enough. 
Your water filter is now complete!  Just put the filter over your cup for filtered water. 
With the other cup, pour the dirty/muddy water into the filter.

Step 7:

Watch your dirty water come out filtered!  
Boil the filtered water to completely rid of all bacteria and such!
Enjoy!

Comments

author
jessicaholder (author)2017-06-23

love love love it

author
tsa123 (author)2017-03-02

I got good Ideas to but can you make one with a switch to turn it on and off. Also 4 feet long..

author
Maha647 (author)2017-01-16

Why did u put the things in that order

author
gingc4120 (author)2017-01-09

wow that is cool

author
AdamC92 (author)2016-01-11

this is so awesome

author
vegetariansunite (author)AdamC922016-11-08

not as awesome as my head

author
mxafentakis (author)2016-11-02

well done!

author

thank you so much, this means the world to me!!! love you more than life itself....

author

thanks a ton! wanna get married?

author

thank you so much that means a lot

author
vegetariansunite (author)2016-11-08

this has changed my life entirely. I am now a carnivore. i love you, Pinocchio. i'm marrying Pinocchio. Here's a picture

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author
serpkilla (author)2016-10-05

Pretty nice, I've made these types of filters a few times, but decided to opt for a more

professional option for my future use.

author
heuman116 (author)2016-01-11

How long does it take for the water to go through the filter to the bottom?

author
AdamC92 made it! (author)2016-01-11

lol

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author
QFED1 (author)2015-12-15

DANG! I need instructions to make one that does not use gravel or rocks.

author
QFED1 (author)2015-12-15

hi

author
Jese RodriquezJ (author)2015-12-03

If you really concern about water filter. You should see these reverse osmosis system reviews articles.

author
Jese RodriquezJ (author)2015-12-03

Looks more funny than useful

author
Rainbowdash16 (author)2015-11-30

Thank you for this wonderful idea. now i have something to do for my I.P (investigatory project) coz i've been running out of ideas lately HEHEHE !!!!!

author
Rainbowdash16 (author)2015-11-30

Thank you for this wonderful idea. now i have something to do for my I.P (investigatory project) coz i've been running out of ideas lately HEHEHE !!!!!

author
Rainbowdash16 (author)2015-11-30

Thank you for this wonderful idea. now i have something to do for my I.P (investigatory project) coz i've been running out of ideas lately HEHEHE !!!!!

author
rodiongboy2 (author)2015-10-25

awesome filter& best part easy to make most stuff is expensive to buy because im12 looking for stuff like this

author
rodiongboy2 (author)2015-10-25

awesome filter& best part easy to make most stuff is expensive to buy because im12 looking for stuff like this

author
JadaD1 (author)2015-10-22

I'm so happy this guy put this on the internet, now for once I wont flunk my classes. I CAN'T BELIEVE I'M ACTUALLY DOING MY HOMEWORK!!!!!!!!!

author
GamersB (author)2015-08-11

using this as my science fair project. thank you.

author
bananaiscool (author)2015-04-28

this actually works everytime

author

i know right

author
TerraBlade (author)2015-04-27

I am gonna make this thing!

author
TerraBlade (author)2015-04-27

author
flamefire65 (author)2015-04-23

I can do this easily

author
flamefire65 (author)2015-04-23

author
anglecake14 (author)2015-03-18

dose it work?????????????????????????

author
IsaiahY (author)2014-11-03

Very cool, I am going to use this in my science fair project :D

author
CoreyD1 (author)IsaiahY2015-02-17

cool dude

author
pole1214 (author)2014-12-03

Isaiah thats what I'm doing for my science project to

author
topseyturvey! (author)2014-04-04

this is interesting! i might try it... BTW bioling water doesn't kill all the bacteria.

author
VadimS (author)2012-08-14

Neet, though just a warning. This will not remove bacteria (what's actually bad for you) just particles.
It's based on a slow sand filter, but it won't work as one.

author
antioch (author)VadimS2014-03-07

actually, with a regular supply of moisture, some beneficial bacteria will develop in the sand. to make use of these, there should be about 4-5 times more sand in the bottle in order to slow down the current.

author
VadimS (author)antioch2014-03-08

You're talking about a slow sand filter. Something the size of a 55 gallon drum would work.

author
letstormdufield (author)VadimS2012-08-14

Read step 7

author
SpencerrH (author)VadimS2012-08-14

yes, its just supposed to filter out leaves, sticks, small rocks, etc. so all you have to do is boil it.

author
Kiteman (author)2012-08-14

Congratulations on posting your first Instructable - have you seen the rewards you can get as a new author?

author
Housedog (author)Kiteman2014-03-07

This is what your links produces, Kiteman

"Sorry, we just can't find that one!"

author
Kiteman (author)Housedog2014-03-07

Try again, it works for me.

author
antioch (author)Kiteman2014-03-07

We're sorry, the URL is either incorrect or no longer available.
Maybe you are looking for one of the following Instructables below.

author
Kiteman (author)antioch2014-03-07

Ach, now it's working for me either. Sorry, folks.

author
tisaconundrum (author)Kiteman2014-03-07

same message.

Untitled picture.png
author

Must have just been taken down or only set up to be seen by pro memberships? I'm getting the same message.

author
samalert (author)Kiteman2014-03-07

i am pro member but still its not visible.

Error
Sorry, we just can't find that one!

author
Diamond Joe (author)2014-03-07

Awesome! I've been looking for something like this. One question; is there a limit to how many times this filter can be used before changing the coffee filter, gravel, etc?

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