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Evapora bottle is a bottle can turn the dirty water to distilled water then collect it, without consuming other energy, just using solar heat.
After collection of dirty water, put Evapora Bottle into the soil. Sunlight focus heat, also avoid to blown by the wind.
After the distill finish, remove the silicone pad, then get the clean water !
Clean water as luxury, without clean water, there is no life.
Dai - Ling Yang Wan - Ching Yang