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Hi Bdavid,
I am very interested in building my own Vortex. Can you provide technical specification and dimensions necessary in order to build own vortex at home please . Where to source the parts would help immensely

You can make it as large as you want. It only depends on the size of the pump and container.

What size pump did you use for this particular project?

I don't remember the size. It was one I had for a old salt water fish tank. No real exact science here, or of there is I couldn't tell you the formula. I'm more of a try and see type of guy.