Water alkalizers cost from 700 up to 4000 dollars. Do they have any impact on health? Scientist say manly no, but there are quite a few positive testimonials.

This Instructable is only for showing the basic concept of how those devices work, so it's not for practical use. The main science in those devices is in measuring and producing required pH and separating water in real-time.

Before you buy this over-expensive machine, you should try at home if it helps you. (For drinking, cleaning wounds or watering flowers).

What you need:
- a knife
- 2 bottles
- a small plastic cylinder
- sponge
- 2 conductive pieces (can be aluminium foil)
- Some copper wires
- Old power adapter (anything from 12V direct current).
- glue

Step 1: Create Watter Bottles.

First take your "plastic cylinder (tube)" and mark a circle on the bottles so you'll know where to cut.
Cut the holes with a knife.
Take the sponge, roll it and put it in the tube. It should go with ease, don't make it too hard.
Put the tube on the hole from one bottle and seal it with a gluegun or some other way.
Take the second bottle and do the same.
When the glue dries, check the seals. Put water only in one of the bottles, the second one should get full from the first one.

I'm not really sure why sponge is necessary. Maybe so the water won't mix, when you'll pore it out.

Step 2: Create Electrodes.

If you have copper wire laying arround or any thick solid conductor, use that. It turn's out, aluminim foil isn't the best idea, because it degrades and then you have small pieces of aluminum floating arround. And your electrode was only for one-time use. If you have rust on your conductor, it will come off too.

For drinking, some use stainles steel or even titanium. Conductivity diffrence between copper, aluminium or titanium plays no role here.

What I did was:
- take two wodden sticks
- wrap alluminium foil around it.

Step 3: Turn on the Power

First take your "plastic cylinder (tube)" and mark a circle on the bottles so you'll know where to cut.
Cut the holes with a knife.
Take the sponge, roll it and put it in the tube. It should go with ease, don't roll it too hard.
Put the tube on the hole from one bottle and seal it with a gluegun or some other way.
Take the second bottle and do the same.
When the glue dries, check the seals. Put water only in one of the bottles, the second one should get full from the first one.

I'm not really sure why sponge is necessary. Maybe so the water won't mix, when you'll pore it out.

Step 4: Be Amazed

After 4 hours:
First photo shows you what water will look like.
The positive charged water (where the negative electrode was) will be fogy.
Te negative charged water (where the positive electrode was) will be clear.

Third photo: pH test. Body pH is about 7-8. Lower values are acid, higher values are bazic.
The foggy water has pH of 13. -- higher pH is ment for drinking, but not this high.
The clear water has pH of 4 (you can smell the acid). -- ment for flowers

Keep in mind that those pH are very extreme and i think not suitable for drinking or possibly flowers (even if water wasn't salty).

Forth photo shows what happened with my electrodes (manly the positive one). That's why you shoulden't use aluminium foil.

Why is one water cloudy ant the other one not?
For what i googled, the calcium distribution becomes uneven, so one has a lot of it and the other one does not. You can let it settle or filter it.