/challenges-projects/design-challenges/vertical-farming/b/blog/posts/vertical-hydroponics---blog-10-starting-seedsLast night, 10/20 I planted my seeds for this challenge. I began the process on 10/19 by soaking 65 1.5” rockwool cubes in water with a ph of 6.0. I usually soak them for at least 12 hours. This accomplishes two things. For one, it helps lower the phen-USTelligent Community 12