Getting Ready To Start My 2nd Grow...Need Opinions

Hello All! I am going to start my second grow as soon as I get my seeds in the mail. I have ordered 5 Greenhouse Big Bang and 3 Greenhouse Pure Kush. I recently decided to email Herbies and see if they would change out my Pure Kush for the Super Critical after reading a lot of bad things about the Greenhouse Pure Kush. Anyways, I will be vegging under a 600w MH and flowering under a 1000w HPS. My new ballast (Thunder) has a Super Lumen switch which is supposed to increase lumens by 15% which would make it 1150w. Don't know how that will work but am eager to find out. I will be using the Botanicare Pro line of nutes and using Fox Farms beastie bloomz as a bloom enhancer while in flower. Growing in five gallon pots or bigger in a 5x5x7 tent. I will have 2 6" inline duct fans to cool the light in its cool tube, one pulling the air out on one end and the other pushing air in on the other side. My 6" cool tube has a 31x25 reflector on it so hot spots and cool spots should be minimal. Will be using Dr. Earth Organic Potting soil as this is the best soil I can get around here. I also will have a 4" Carbon filter with a 190cfm fan exchanging air from above the light to help with any heat problems I may have from the lighting, which I don't think will be bad, and to filter for smell. A good friend of mine has a 1000w being cooled with just one 6" inline duct fan and you can actually touch the tube and keep your hand there for quite a while. After doing the calculations, this should be enough to exchange the air in the tent right at once per minute and from what Im told this is what I am to aim for. Also will be using the passive intakes at the bottom of the tent for fresh air being brought into the tent, as opposed to force feeding air, as one of my main aims is to keep negative pressure inside the tent. My first grow I grew 3 Strawberry Haze in 3 Gallon pots with Miracle grow Organic potting soil, Botanicare nutes, and my 600w HPS and, after dry and cure, yielded a half pound of some of the best smoke Ive had in quite a while with an outstanding taste and smell that has rivaled any stuff around here that people call good. Also, I was amazed at my yield for the fact that I grew it in MG. I was very happy about the yield I was able to pull, as I know many people who didn't get anything their first time. My main question is this....How many plants should I grow in this tent for optimum yield? I know all about the whole "less plants, longer veg and more plants less veg" scenarios. I am partial to growing decent sized plants. I like keeping it simple. How many feet of grow space should I give my plants? 5 feet per plant? 4? Both strains I have coming to me are very good yielders and dominate Indica plants. I have a seven foot tent so height shouldn't be an issue. If need be, Ill tie them down. Should I go with a 5 gallon pots or should I go with 7 gallon pots? If using five gallon pots, I was considering going with 5 plants, giving them five square feet to grow per plant. Is this a good idea? Or should I grow four plants in 7 gallon pots with less grow space, around 3.5 feet of grow space per plant? I would appreciate all the feedback I can get! Thanks fellow tokers!
 
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