I just started using grow cubes along with hydroton but I'm tired of paying so much at the hydro store any ideas where I can get it for cheaper? Hydroton or Grow cubes
You never really need to use hydroton, it's just great cos it's almost inert, and its shape gives good support while allowing space for roots to grow. You can really use almost anything.. some of the bigger pieces of gravel from the side of the road, or if you have a stone driveway. I've heard of someone even using Legos.