How can I make this grow exceptionally successful?

I have a Gen-1e Co2 Generator, with a buppleponics system, 6 marijuana Seeds, and a 45k Lumen 400 Watt HPS Light, the strand is from amsterdammarijuanaseedbank.com and they are White Widow Feminized Seeds

How can I make this as successful as possible?

Here are my questions:

1. Do you think the plants will grow efficiently under that one light?
2. With a Co2 Generator, what is the most efficient usage for the Co2.
3. Is it alright that I use HPS throughout the entire process as long as I make sure it doesn't overheat the plants?
4. Does the Co2 Help out the Heat?
5. I have used all this on one plant (which was a clone from a man with a beautiful mother plant, I didn't germinate) and was successful, but 6 Plants is a much bigger adventure.

Please post requests and stuff peeps, I need some pointuhs from some mentors. (P.S: I'm looking for a cool mentor)

dallygap said:

1. Do you think the plants will grow efficiently under that one light?
2. With a Co2 Generator, what is the most efficient usage for the Co2.
3. Is it alright that I use HPS throughout the entire process as long as I make sure it doesn't overheat the plants?
4. Does the Co2 Help out the Heat?

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1. no. each plant takes about 3 square feet of ground space which leaves you at 2,500 lumens per square foot (47,000/(3x6)). the absolute minimum light for weed is 3,000 lumens per square foot and the recommended range is 7,000 - 10,000 lumens per square foot.
2. with the propane-based system you have the only way to run it is constantly. you can get the most from it by having your ventilation run on a thermostat so you only vent co2 when the room gets too hot.
3.fine to use the hps
4. co2 does not help the temperature however it does make the plant grow well at 85 - 90 f.

so do I need another light?

dallygap said:

so do I need another light?

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think of it this way. if you grow all 6 plants under the 400 watt light you might average something like one ounce per plant. if you grew them under a 600 watt light you might get 2 ounces per plant. if you grew them under a 1000 watt light you might get 4 ounces per plant. lights are the most critical item in an inside grow and its your choice how much you want to spend to get a particular yield.

in the past ive always kept only 2 plants (females) under a 400 watt hps....and im not sure how much space you got but vegging to about a foot to a foot and a half is maxed out. flower from there or u will run into space problems...most plants double in size in flower....i know nothing of c02....i never vegged under a hps...i always used a 48 in x4 bank of fluros....and i dont know about no bubbleyponics either lmao....other than i dont grow well in water....good luck with ur grow....have fun

I used to flower 2 plants in 5 gallon buckets under a 430 watt Son-Agro light, which is an HPS light with a little extra blue spectrum. I wouldnt have tried to do any more under that light. I replaced it with 2 1000 watt HPS for flowering. I now use the 430 for vegging and it does just fine. This pic is about a week old and there are 2 more plants in 5 gallon buckets in there now.