dwc help

i was plaining on srarting one of the dwc grows but i have no idea how to do it....the syustems seem easyeno0ugh but what about nutrients and water ph i also read somthin about the water needing to be changed every few weeks or so...can some body enlighten me on this

read any dwc post

There is a ton of information here and I know it can be hard to dig it all out, but spend some time on that. When you have the basic idea then ask more specific questions and you will get good answers. The question you ask here would take pages to answer.