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50-Watt Lights Made With Water & Use No Energy

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Posted on: May 1, 2009

Posted in: Lighting, Materials, Solar, Video

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50-Watt Lights Made With Water & Use No Energy

Yes it’s true – Liters of light really can light dark spaces for free. During a blackout, a Brazilian man took an empty 2-liter soda bottle, filled it with water and poked them through holes in the roof of his workshop. Viola! Carbon-free light. The light from each 2-liter bottle creates the same amount of light as a 50 watt incandescent bulb.

Now of course this remarkable DIY tip has its limitations. It might not be a good idea to rip a 4″ inch hole in your roof in colder climates. But, this is a great applications for garages, sheds, barns, workspaces, etc. Why turn on an energy sucking bulb in your garden shed when you can get free light from the sun?

Here’s how to make your own Liter of Light. Try it. Then send us your photos of your Liters of Light.

1. Fill a clear 2-liter soda bottle with water.

2. Drop in two caps of bleach (or 6 caps of hydrogen peroxide).

3. Screw on the cap and cover it with a small black film canister.

4. Cut a hole in the roof the exact diameter of the bottles.

5. Place the bottle snuggly through the hole – leaving 1/4 of the bottle exposed to the outside.

6. Run a bead of low-VOC caulk or sealant around the bottle to seal the hole (avoid using any toxic product).

7. Enjoy years of free daylight!

Send us your photos of your Liters of Light. Let us know what you think. Oh yeah . . . these don’t work at night. So, don’t come crying to me.

TIPS:

Try tubular skylights in your home for a more durable fix.

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