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Solar Thermally Pumped Hydroponic System

Step 2The coupler

The coupler

The coupler is made by joining two bottle tops together face to face, if you heat the surface of each breifly with a lighter you can then super glue them together. Once the super glue dries drill a hole through the adjoining faces of the caps and glue in an aquarium tubing fitting, then add a length of tubing sufficient to reach the bottom of the 2 liter bottle.

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I'm a graduate of the University of Central Florida with a degree in Mechanical Engineering, I am currently working on my Master's. Otherwise, I enjoy building things, designing the things I'm going ...