How far apart should the bottles be spaced
 

I hope to legally grow pot for medicinal purposes. I plan to use the 2-liter system. My questions: How far apart should the 2-liter bottles be spaced, center to center, to grow pot to full term.

Second, which hydroponic fertilizing solutions would you recommend for the growth stage and the budding stage?

Ron, I've studied hydroponics in books and on the Net for many months. No other person has more solid knowledge on hydroponics than you do. Thank you so very, very much for the incredible work you're doing to help people like me throughout the world. You're truly one helluva human being!

Indoor pot plants need one square foot per plant so that's 12 inches from center to center. Try to keep your plants small, under 30 inches at term.

Any of the liquid concentrated hydroponic solutions work well but my favorite is Formula One A & B because it's cheaper than the others and you use the same mix for veg and bud stage, you just increase the PPM for budding.