I watched Murray's 2 DVD's a few days ago and saw a lot of things I've been doing wrong, most of all being that I'm using a bathtub for my fish tank--which is not nearly enough volume of water. I'm about to redo my whole system and buy a 350gallon tank and use grow beds accordingly. My question is: with my new system (using 3/4in gravel) can I just sew my seeds into the rock like I did in my previous system? I had incredible growth in spite of the pH irregularities due to such a small amount of water. Is there an advantage to starting my seeds outside the system and transplanting them?
Thanks for the help,