@Chris Scorpio @FelipeBlu
SOG 12 plants, 6 x 6. Was thinking 2 1/2 gallon hempy pots or should I go smaller or go up to 3 1/2 gallon pots?
For a true SOG, 12 plants in a 6x6 seems like too few. I would go smaller, like a 6” diameter PVC such as Chris does, and double the plants.