My Grow Cab Specs

I built a new cab from lowes for $90, I Plan on doing the plants full life in this cab. The dimensions are: 70-1/2"H x 23-3/4"W x 16-1/2"D. I purchased a 150 Watt HPS: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120370905860 and four 48" T-12s to provide more of the blue range of light. I might possibly add 4 more on the same wall. I mounted them vertically to reduce the distance factor for lumens. I plan on growing 3-4 Plants upward of 4 feet. For exhaust I plan on using 2 120mm CPU Fans placed on opposite ends of the cab. The entire cab is light proof and i plan on buying a pad lock to keep out any chance of problems.

Could some pro's with experience with 150W HPS give me some feedback on keeping them cool? (glad mine has a external ballast!)

Are the 4~8 T-12s going to be a waste of cash/energy?

Everyone feel free to comment, I want to brainstorm on this cab and possibly improve things I have not considered.

In the pics ignore the CFL's hanging, picture another possible 2 T-12s in between the 2 visible.
eace:

The T-12 Fixtures cost $7 and the bulbs are around $6.50 for 2

No Ideas? Comments? Bump!

Bumpy Bump.

naw dude! It wouldn't be a waste of money. The more lighting te better. When building a cab, its all about creating a comfortable environment for your plants inside of your environment. The main things you need to worry about are maintaining temps and light leaks and you should be straight. I'm a "Cab in a Closet" guy myself. I need to drill more holes for passive intake after running temperature tests on my 400w HPS, and my cab is smaller than yours. I'm here for you homie cause I see a lot of people in our position. We got an idea but we run into those road blocks. I'm thinking about running some 2 foot tubes in my cab as well. Good Luck!

The fans came in today for the cab! 120mm Typhoon Case Fans!

i can post some pics if anyone is interested. the 150w HPS coming 2morrow.

Lowes for $7.00 a pop. you should be able to search or ask for the workshop lights.

my HPS came in today will be installing and taking pics later today! go-go HTG supply!

My finished product is a lightproof, 310W grow cab with 13"x22" area. all of my wiring was internal excluding the hps ballast and 1 power strip cord that run to the timer on the wall. here is my pics i'll answer any questions about the making of this box or my exp with it.

Sweet set up! I just rearranged mine earlier today and I am pleased to say that I was able to get my temps in order. Good Luck to you homie!