Paano gumawa ng Solar Bulb para makatipid sa kuryente!

In “Serbisyo on the Go,” Kara David visits a community in Laguna where residents are having a hard time paying their electricity bills. To keep power costs down, social entrepreneur Illac Diaz and the Rotary club taught residents how to make “solar light bulbs” using plastic soda bottles, water, and bleach.

To Make One: 
Fill plastic soda bottles with water (add some bleach to keep algae from growing) and insert them into custom-cut holes in the roof. The water in the clear plastic bottles refracts the sun's rays, creating the equivalent of about 55 watts of light in a dark room.

Visit Isang Litrong Liwanag website
 Suportahan ang Laguna
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