I've only grown hydro with GH nutes in the past. I grew for a year then gave it up due to health issues and got rid of my whole set up. I am wanting to get back into growing and my new set up will consist of a 3x3x6' tent. 2 autocobs. 1 autoflower from Barneys Farm called "Zkittles OG Auto". My grow medium is soil="biobizz lightmix". One 3 gallon grow bag. My nutrients will be Greenleaf Nutrients Mega Crop. I've never grown in soil so my first time. Do I need to worry about PH or ppm with this setup? And will a 6 foot tent be tall enough for the cobs or shud I go with a 7 foot tent? If i grow this 1 plant successfully i will add on another tent with another plant and keep going every harvest til I grow enough for me and my wife in between harvests. Any advice for me and answer my questions please wud be so much appreciated.