4000w 8x10 sealed room

[ddftre]

I am going to start a 8x10 sealed room with 4000w lights and would like to get some questions answered.
How would I cool the lights, all 4 1000's on one fan or on two separate fans
what size fans should i use, I have a 2 8 inch 767 cfm fans for the lights.
Do they make 8 inch duct adapters.
Should the room be bigger than 8x10 for 4000's.
I will build the room with a cap1 co2 gen.
How and when do I exhaust the lights. 24hrs or just when lights are on or when the temp gets to a certain degrees.


thanks for your help

 

[darookie2000]

You can do it with an A/C, a dehumidifier (and humidifier if your climate requires it) and a CO2 system. They make 8" duct adapters (8x6 inch reducer) or you can get a magnum xxxl 8" that will hook directly with an 8" duct. I exhaust the lights at all time, but I'm not sure it's strictly necessary. I think you can fit that much light in that size space, you could probably even fit it in 8x8. In fact, I'd consider light movers in that size space just to make sure you get everything (it would also allow you a higher plant count or larger plants using more of the space). When I upgrade my system, I'm definitely getting one.

If you don't want to use an A/C (or want to minimize its use), you'll definitely want to vent the lights outside.

 

[mrred]

4 1000 = 8x8 flowering space,36 inch max flowering height, closer than 6 inchs may cause bleaching, unless you got light movers. the standard for a non moving 1000hps is a 4x4 footprint

you may want to think about a 10x10 room with tables on wheels, it'll give you access to all your plants with 2feet of space, but your lose the benefit of the wall refecting light closer to the plants , because i'll be 2 farther feet away

 

[mrred]

1 fan for the lights and the other for the room, if you wwant co2 you have to look into ac if you cant keep your temps low without sucking all the co2 out the room, at night yoou suck all the co2 out because they are trying to absorb oxygen and release co2

 

[mrred]

you could probably even fit it in 8x8. In fact, I'd consider light movers in that size space just to make sure you get everything (it would also allow you a higher plant count or larger plants using more of the space). When I upgrade my system, I'm definitely getting one.

with 4 1000hps on 3 foot light movers would require a room 14x8 + how much walking space you want

 

[ResinKing]

Hi ddftre , You also may want to work on doing some more research and use the advanced search option.There is plenty of info on all the stuff you asked already anwsered in many threads on here by expert growers..A lot of the experienced growers on here dont like lazyness when the soloutions can be found by simply looking..

Plus there very basic simple problems and if you actually start growing you will experience alot tougher ones to sort out , one feels if your asking them kind of questons your not ready to grow Cannabis..Now put the spliff down mate and start learning..If you find the anwser yourself it will stay with you.

 

[ddftre]

Resinking I am not stupid I know how to search, it takes to long and I have been growing for years.
Mrred thanks for the answers, that is why I posted this thread answers not smartass comments by resinking.
Mrred do you think one 8 inch 775cfm is big enough fan for all four lights. Also do you exhaust your lights 24/7 or just while the lights are on. I do plan on using a ac, I have a 16000 btu for cooling the room and the cap1 controller, I am also using the multiflow buckets 18 buckets

thanks

 

[darookie2000]

with 4 1000hps on 3 foot light movers would require a room 14x8 + how much walking space you want

I was actually thinking of two sets of parallel rails, 9 feet each (or 10 if you can get it), with two hoods to a rail. Something like the add-a-bar http://www.hydrofarm.com/pb_detail.php?itemid=7634 to move two across at the same time. I think each is 4 feet wide, so my math might be off in one direction or the other (you might need 9x10, or if you can cut the rail, which I believe you can with an intellidrive), but I think it could work.

 

[mrred]

no you might want to run them 30 mins- hour after, tops just to get the heat out, if its a problem, monitor the temps

 

[mrred]

4 1000 hps on 8 foot light movers = 10x16 foot room, seems better than 8x8

 

[richyrich]

Resinking I am not stupid I know how to search, it takes to long and I have been growing for years.
Mrred thanks for the answers, that is why I posted this thread answers not smartass comments by resinking.
Mrred do you think one 8 inch 775cfm is big enough fan for all four lights. Also do you exhaust your lights 24/7 or just while the lights are on. I do plan on using a ac, I have a 16000 btu for cooling the room and the cap1 controller, I am also using the multiflow buckets 18 buckets

thanks

The type of questions you are asking do not come from someone who has been growing for years. I agree, use the search function; even if it "takes to long."

Use 2 8" inline fans for your air cooled lights. Just while the lights are on. Why would you want to cool lights that are not on???

 

[ddftre]

richyrich, shut the hell up. You tell me where on this message board its says how long to air cool your lights. Find a post, and show it to me. Also the answer to every question you want to know is on the board somewhere, then there would never be a new thread.

 

[aggregatebuzz]

deductive perception helps in such matters

 

[richyrich]

richyrich, shut the hell up. You tell me where on this message board its says how long to air cool your lights. Find a post, and show it to me. Also the answer to every question you want to know is on the board somewhere, then there would never be a new thread.

Why would you need to search and find that out? All that takes is common sense. You air cool lights when they are on in a sealed room running a/c. That is a no brainer; unless you want to waste electricity. Your insults are nothing, but you come off as a total newb. Good luck growing with your experience.

 

[ddftre]

Richy rich, I have been growing for awhile, avg 20 oz per light , i am using parabolic reflectors and just exhaust the room not the lights, so I watched seemorebuds perfect garden and want to copy the perfect garden where the guy gets 4.87lbs for 2 lights. I just want to be 100% sure.

 

[Lazyman]

Dont try to use movers and air cooled hoods, its such a pain in the ass. Keep it simple. I used a single 6" vortex (at half speed) to cool 4 1KW lights, works fine no problems. Use a big AC, small ones run all the time and will burn up. For the lights, pull air in from outside the room and blow it back outside in another spot. Only add CO2 after 2-3 runs on your current setup to dial it in. Otherwise it's a waste of money. 600W lights are more efficient than 1000W lights, and offer more points of light for plants, plus they can be put closer, but this depends on what height you want your plants to finish at: 3-5' tall = 1000W, 1-2.5' tall = 600W. Shoot for at least 50W per square foot of flowering light, mix HPS and MH for best results.

 

[mrred]

lazyman, mrwags, did you get a increased harvest with the light movers? 8 foot light movers seen a little crazy but i seen a video of a guys room with at least a 10 foot one, and his budss was decent sized, he was running sog too, i do like the ideal of 3 foot light movers on a 1k tho

 

[Lazyman]

Well, I never did a comparison (most people can't or won't do an honest comparison, exact same clones from the same mom, same nutes at same schedule, nearly impossible) but I set up a room for a friend with two circular movers, 4X600W each + 1 stationary 600, sealed room with CO2, coco in ebb and grow, he gets over 1gpw and is pushing 2. My every effort is to grow as well as he does!

I dont like them (movers) overall, they're not a substitute for more light, just for manually rotating pots. They are fragile, kinda expensive, and makes air cooling hoods much harder and less efficient. True you can put em closer to the canopy, but I never found a lack of light to be the problem, it's usually genetics or nutes (nutes most often.) For a square room, a circular one makes a round garden, linear ones are best in rectangular room IMHO.

 

[mrred]

so you had the same amount of light minus the movers? and got less right?

 

[Lazyman]

so you had the same amount of light minus the movers? and got less right?

Right, and not really, yield was about the same, I just was manually rotating plants and shuffling them around by hand. This was only 25 plants with 3KW in an e&g, I usually vegged too long and had 4-5 foot bushes that gave up 3-5 ounces each, mover or no.