Bell siphon is a atmospheric pressure and vacuum principle on work, this system on main advantages like average water stoke maintain any time and extra water automatically pass another use. This project is best for aqua phonics and Hydero phonics gardening system, this systems in order to regulate control the flow of water. In an ebb and flow (also known as flood and drain) system water is pumped into the grow bed. At a specific point (usually 1 inch below the surface) the water drains via the bell siphon. this project is best for mechanical engineering students for BE, ME, Diploma and school science air, science exhibition. This project more details available in our YouTube channel Santosh project maker, this project for project report also provide for students best project presentation, our more working project available in our website www.projectmaker.in