Ah alrighty. Im going to get it done this weekend. For my next grow after my soil Im planning on doing hydro, and I plan on building a box 2m x 2m x 2.5m filled with water and use a generator to pump oxygen into the water and float my plants. About how many plants do you assume I could fit in there with 2 1000w HPS hortilux and 1 1000 MH.