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100% medical 4kw flower room, air cooled hoods, ac, ebb & flow buckets, SCROG/trealis

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Dank Sinatra

Member
100% medical 4kw flower room, air cooled hoods, ac, ebb & flow buckets, SCROG/trealis

Here is the plan, 4kw of aircooled light over a 9x9 area. System is 5gal ebb and flow buckets, krypto controller there will be 4.5 x 4.5 PVC supported screens, that will function more like a trealies. Nutes will be GH lucas and something to stop em stretching if they go to high, mega load or whatever. There will be no veg room in the begining, but i plan on constructing one in a month or two. 100% medical marijuana every plant will be legal. I am going to edit this list as people remind me of things..... thanks :)

Lights
4 - 1000w HPS EYE
4 - DayStarac hoods
4 - xtrasun 1000w magnetic
240v relay with timer still looking for this


Cooling
600 cfm fan
25' 6" ducting for the aircooling (if the line is straight i will use insulated tubing cause its supposed to be the shit)
12,000 BTU AC for july - sept
50l dehumidifier

Hydro system
Ebb and flow buckets already built and functioning
150l of hydroton
PH/TDS/EC meter
Still need to find a 55gal drum : (

MISC
Carbon scrubber
Will be Doing CO2 using just a tank a timer and a solenoid : ) I just hope i don't overflow my basement with CO2 and die like in Apollo 13 kinda
4 oscillating fans to create a circular flow of air

PVC SCROG/Treallis nets


Genetics:
I have quite a few clones available and haven't decided on which to run, but here are the choices
Durga mata
ak-47
super silve haze
OG x Bubba kush .. ..
dark queen
i forget the others right now
 
F

Frozenguy

Active member
Veteran
I personally would use two more of those fans, especially depending on your ventilation set up, to air cool the lights.. How big will the A/C be? Sounds exciting though, can't wait to see it up.. Brings me back..
 
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rr14

Member
sounds similar to what I'm doing. 2 1000's and 2 600's. scrog, ect. How big of a scrubber? No co2 right?
 
D

Dank Sinatra

Member
rr14 said:
sounds similar to what I'm doing. 2 1000's and 2 600's. scrog, ect. How big of a scrubber? No co2 right?
Click to expand...

Scrubber will probably be homemade and i wont be doing that for the first couple of weeks just to save some time and money. Do you have a thread for you grow?... what size Screens are you planning on. I will be doing CO2, but there won't be a PPM meter cause i am spending all my savings on lights hahahah, so i will just to a solenoid set to release for a certain time based on room volume

Squ1rrely said:
yes definitely cant wait to see this set up. how big is the room(s) ur using?
Click to expand...

room is going to be around 12x12ish, but the scrogs and everything are going to be under a 9x9 area But i plan on making two 4.5x 9 table that role so i can push the two screens closer together and when i need to work on the i can role Table B to the right approx 3 ft and work on the side of table A and B that were touching, and if i can't reach the other side of table A, i just role it over three feet to take the space of where i was just working and now i can access the other side of table.

Does this make sense? i figure since there is a 9x9 square and each light is place 2ftx2ft from the corner, there is a "cross" between 4' and 5' where each 1000 watter's 5x5 foot print is overlaping by one foot. So you get like 2X the lumens at 5ft and that whole "Cross" area is now viable. I am not sure if this will work but would love feed back.

Frozenguy said:
I personally would use two more of those fans, especially depending on your ventilation set up, to air cool the lights.. How big will the A/C be? Sounds exciting though, can't wait to see it up.. Brings me back..
Click to expand...

AC is 12,000 BTU probably, cause this is in a basement so its automatically 60 degrees or less in there you know. Then lights will run at night-time and the air will be drawn from outside over my bulbs and then blown back out a different basement window. Thanks for the input on those fans, i was thinking I would try it first like so and then if i have hear issues i should change it so its two fans with two lights on each, cause that would simplify my ducting.

What i really need to do is find the post about calculating fan size based on 90degree turns and hose length.... that was a tight thread.
 
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Dank Sinatra

Member
i Have been thinking it out so long i have second guessed myself like ten times ahhahaha its really good to here some yes and support. thanks guys
 
J

JustanotherDave

Member
Your light position will work perfectly. The middle of the room between those 4 lights will get plenty of cross lighting. Plenty.

CO2...overrated. If you were looking for somewhere to save a few bucks...that's it.
 
F

Frozenguy

Active member
Veteran
JustanotherDave said:
Your light position will work perfectly. The middle of the room between those 4 lights will get plenty of cross lighting. Plenty.

CO2...overrated. If you were looking for somewhere to save a few bucks...that's it.
Click to expand...

CO2 isn't overrated if its used properly. Its a window to open up a faster, larger yielding growth but it doesn't do it on its own by any means.

But I do agree if $ needs to be saved, do it there because CO2 should only be used once the room is dialed in..
 
D

Dank Sinatra

Member
JustanotherDave said:
Your light position will work perfectly. The middle of the room between those 4 lights will get plenty of cross lighting. Plenty.

CO2...overrated. If you were looking for somewhere to save a few bucks...that's it.
Click to expand...

I am really excited to see what kind of growth i get in the overlap area.

As for CO2, the air has no planned FAE, so correct me if i am wrong, but if there is no FAE, there must be some sort of CO2 enrichment.

I figure i buy like an 80 fan and shit for FAE or spend $200 or so on a CO2 setup.

whats yalls thoughts?
 
J

JustanotherDave

Member
There won't be anything "extra" in the overlap area...but you'll have dead even growth wall-wall. That's a good thing.

And oh...OH, OH, OH....you're talkin' 4K in a sealed room??? 12K btu AC ain't shit. Double that...minimum.

I'm assuming "FAE" stands for Forced Air Exchange"??? Never heard that.
But what was that?...an $80 fan?...only in a 70W Cab.
 
D

Dank Sinatra

Member
yea i figured even if the change in lighting from the 4' to 5' range is half i will have 2x that, so it works out to be even like you are saying : ) you can see my lighting plan here http://www.icmag.com/ic/showthread.php?t=125226.

FAE stands for fresh air exchange..... hehehe i am not sure how often you are supposed to change the air out in a non CO2 room, but a 12x12x8 room is 1152cuft, but its not important because i am doing CO2 heheh

i used this ( http://www.icmag.com/ic/showthread.php?t=95259 ) to claculate BTU, your right 12k i s alittle low, so i am looking at the 15k btu model....

maybe i should read some more about AC
 
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JustanotherDave

Member
4000btu per 1K light is a sound rule of thumb...and that's still on the lower end of the scale.
4K x 4000 = 16,000btu...then add in that we should only expect about 75% efficiency from the unit...20,000btu should do it ;)
 
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Elcap

Not that simple really Dave, the link he is using to run his calcs is much more involved and IMO more accurate as to needs than the simple 4k or 5k btu per 1k light. Take a look at the link, it's pretty well done and thorough.
 
D

Dank Sinatra

Member
JustanotherDave said:
4000btu per 1K light is a sound rule of thumb...and that's still on the lower end of the scale.
4K x 4000 = 16,000btu...then add in that we should only expect about 75% efficiency from the unit...20,000btu should do it ;)
Click to expand...

Thanks for continuing to come back and discuss this with me, I had factored in that i would be using Air Cooled Hoods.... according to the earlier thread it should cut the BTUs needed from the light in half.

I am planning on drawing air from outside the house to cool the lights, are there any problems with this in terms of dust, condensation, or bugs? i was searching around but couldn't find anything solid.... I was thinking throw a pre filter on it, but that will add resistance so i am unsure.
 
J

JustanotherDave

Member
I missed the part, or forgot, that the lights would be air-cooled. My AC recommendation applies to an open light room.

Glass with dust on it between the bulb and the plants?...I'd most certainly account for it. Filter it or clean it...no two ways about it.
 
R

rr14

Member
JustanotherDave said:
4000btu per 1K light is a sound rule of thumb...and that's still on the lower end of the scale.
4K x 4000 = 16,000btu...then add in that we should only expect about 75% efficiency from the unit...20,000btu should do it ;)
Click to expand...

yeah, but he's air cooling them with cool night air. He should be able to get by with 12000 btu as long as he's getting decent air flow through the hoods and very cool air in.
 
D

Dank Sinatra

Member
Looks like i found a 15k btu window AC on craigslist for $150. wooooooo

So i am choosing a fan and i drew a small picture to show you my thoughts. The hood from my local hydro store is the daystar AC which is 6". I have decided it would be best to run 1 fan for each 2kw watts.

I am trying to choose wether i should use:

the powervent 150x which is a 6" 438cfm 149 watts ( beats can fan 6" for SP) -- $169

The Vortex 6" which is 449cfm and 100 watts -- $189

The elicent 150b which is 6" 309cfm 72 watts -- $175

It seems like i should just be getting the PV-150x can i get some confirmation on this though?

Or am i going to really want to bump it up to two 8" models. The daystar AC only fits 6" so i would have to use a reducer which would create a lot of turbulence i think. I also have confirmed that lapides uses 1 6" vortex to cool 3kw http://www.icmag.com/ic/showthread.php?t=114702


Reffer to scenario A. I was looking into using a Y connector but it sounds like it would be less effective. The air comes in from the cool night outside and leaves to the cool night outside. simple
picture.php
 
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