As of today ICMag has his own Discord server. In this Discord server you can chat, talk with eachother, listen to music, share stories and pictures...and much more. Join now and let's grow together!
Join ICMag Discord here!
More details in this thread here: here.
You really only need something that can suspend the plant over the res.
I grew with closed cell foam holding the stem in a hole in the lid for years. No hydroton or netpot... no rockwool. (can't stand rockwool)
Just sprout in perlite or a seedling mix and grow until the roots are 4-5" long. Wash everything off gently and suspend so the roots are constantly wet.
Make sure the hole is large enough for the stem to expand in... at least an inch for small plants... 2-3" for large.