alternatives?

are there any alterniteves to rockwoll cubes?

Yeah - Soil, Peet, and many other things.

yea but i am talking about hydro

Well if I may,give an educated answer.........yes rapid rooter starter plugs i recomend them to everyone......made out of plant fiber beats rockwool hands down in my book...........

Perlite, Hydroton, Coco Coir are probably the most common mediums after RW.

ight thanx

coco cubes,aerorooter,glass of water