i need help

what is the smallest hydroponic system for 2 plants. and how would i make it. thanks

Heres a pretty good an cheap setup-

https://www.rollitup.org/do-yourself/97378-diy-3-gallon-rubbermaid-dwc.html

edit- Kudos to Diggitydank420 for this DIY

Yeah, Im just gettin started in hydro with a DWC grow as well. I went ahead and paid the extra cash for a bubbleponics system though with all the nutes, and shit that comes with it.

it depends on plant size. a fully matured dwc plant needs a 5g res, so 10g for 2.