Vertical Hydroponic System using 4 Towers (Part 1), , hydroponic farming at home The tools and materials are used to make Vertical Hydroponic System using 4 Towers: 1. PVC pipe 4 inch 2. PVC pipe 1 1, 2 inch (for punching and making a ring in the pipe hole) 3. Pipe connector (L, T, pipe socket) 4. Pipe Cap 5. Heat gun 6. PVC Glue Mini pump N1 800 L, H DC 12 volt