New Setup, Critique please.

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Madg420

Active Member
Setting up a new room, My only experience so far is with a 400w lamp in a 3x4x10 closet so this is a bit new to me.

I have
1000w HPS Lamp
8" cool tube
454CFM 6" fan
10lb DIY carbon filter
6" ducting
Passive intake

Heres a shitty drawing of what the layout kind of is.



Everything is actually angled towards the door but MS paint was easier to draw straight lines lol. Yes the exhaust is routed through a door, its my only option lol.

The room dimensions are 6'x10' I'm gonna use a 6'x6' area of the closet. My plan is to do 9 plants, Hempy buckets, haven't 100% picked out the nutes yet, I'm debating on whether I should go with Fox Farms as thats what I've used in the past or try something new.
My goal is 3-5lbs in a harvest, I have myself and 2 other patients to care for and I don't want to set up a perpetual grow I'd rather just do a big harvest and have alot to sit on for the cure as I'm pretty impatient when it comes to that stuff lol.

So basically give me your opinions, what can I do to better the setup, what nutes have you had the best experiences with and why? I'm not looking for fanboy answers or one word answers, but if any of you want to share you knowledge I'd like to hear it.
 
renyman

renyman

Active Member
Madg420 said:
Is that going to make a difference, and why?
Click to expand...

If you are pushing air through then it will find ways to seep through the cracks in your hood. Atleast i think. Although, i guess if youre pulling then the same logic would apply and youd be pulling dirty air through your hoods. Ask more experienced growers and seem what they think. Report back.
 
M

Madg420

Active Member
renyman said:
If you are pushing air through then it will find ways to seep through the cracks in your hood. Atleast i think. Although, i guess if youre pulling then the same logic would apply and youd be pulling dirty air through your hoods. Ask more experienced growers and seem what they think. Report back.
Click to expand...
It makes sense, I have a cool tube so I don't think I'll have air issues, everything is sealed with what looks like high temp silicon, I've sealed my 8" to 6" reducers with it as well, It will be easier for me to mount it before, but it makes sense to put it at the end. I also kind of think that fan may get warm spinning at 2500 rpms so pushing warm air wouldn't be as good as pulling room temp air as well.
 
laserbrn

laserbrn

Well-Known Member
Madg420 said:
It makes sense, I have a cool tube so I don't think I'll have air issues, everything is sealed with what looks like high temp silicon, I've sealed my 8" to 6" reducers with it as well, It will be easier for me to mount it before, but it makes sense to put it at the end. I also kind of think that fan may get warm spinning at 2500 rpms so pushing warm air wouldn't be as good as pulling room temp air as well.
Click to expand...
You want to "suck" air through your light because it creates negative pressure. The heat is being created by the lamp and sucked away in a vacuum. If you "push" the air through the light it creates positive pressure in the light hood therefore pushing more of hot air into the glass. The difference isn't huge, but there's a difference. In my growroom I dropped it an average of ~2 degrees by having it suck instead of push.
 
M

Madg420

Active Member
laserbrn said:
You want to "suck" air through your light because it creates negative pressure. The heat is being created by the lamp and sucked away in a vacuum. If you "push" the air through the light it creates positive pressure in the light hood therefore pushing more of hot air into the glass. The difference isn't huge, but there's a difference. In my growroom I dropped it an average of ~2 degrees by having it suck instead of push.
Click to expand...
Awesome, makes perfect sense. I will have to figure out what will be best for fan placement because I'm pretty much going to have to have a 90° bend in the duct somewhere to get to the door from the fan, and yes my only option is to exhaust through the door, all the dry wall leads to areas of the house and my landlord is frowning on this whole project to begin but I have my card and he's at least understanding and compassionate enough to give it a shot.
 
MisterPink

MisterPink

Member
From your diagram it looks like you're pulling your fresh air and dumping the hot exhaust into the bathroom. Does the bathroom have a roof fan you could use to expel hot air? Or a window?
 
abe23

abe23

Active Member
You should think about adding more light if you plan on pulling that kind of a harvest from this room. Maybe a second 1k hps, you should be good with that fan for the heat from those two lights. I've never used cooltubes but reflectors with 6" ducting have worked well for me.

Yes, it's better to suck than to blow....as far as ventilation goes. And you do have to keep in mind that the air being vented will be hot and possibly humid so if your bathroom doesn't have some kind of venting system or a window, you might end up having problems. Also, consider getting a 30$ inline fan from the hardware store for you intake to keep the air flowing and prevent humidity, mold and other problems.

Other than that it looks like a good plan. I haven't tried hempy buckets but handwatered coco works very nicely if you're looking for speedy growth without the pump and tray setup. You also only need small pots like 1-3 gallons and can feed your plants as precisely as with hydro....you should look into it.
 
M

Madg420

Active Member
MisterPink said:
From your diagram it looks like you're pulling your fresh air and dumping the hot exhaust into the bathroom. Does the bathroom have a roof fan you could use to expel hot air? Or a window?
Click to expand...
Yeah I plan on using the bathroom exhaust fan if its needed, the bathroom is just a small half bath that connects the master bedroom to the closet. The bathroom itself is unused for the most part as well.

abe23 said:
You should think about adding more light if you plan on pulling that kind of a harvest from this room. Maybe a second 1k hps, you should be good with that fan for the heat from those two lights. I've never used cooltubes but reflectors with 6" ducting have worked well for me.
Click to expand...
This is my first large light, I've always used a 400w with t5 supplemental lighting, I've managed to get 1/4lb plants pretty consistently with it as well, based on that my guesstimate will be ~1/2 lb per plant, I will be doing AK47 and Ice, I have no experience with Ice but clones are readily avail. AK has given me some amazing yields. Honestly I'm not going to be disappointed with any yield and I've been considering getting another light down the road, just need the extra cash and with the holidays right now its a bit rough. I was thinking if I did a 2nd lamp though to mirror my setup on the other half of the closet.
abe23 said:
Yes, it's better to suck than to blow....as far as ventilation goes. And you do have to keep in mind that the air being vented will be hot and possibly humid so if your bathroom doesn't have some kind of venting system or a window, you might end up having problems. Also, consider getting a 30$ inline fan from the hardware store for you intake to keep the air flowing and prevent humidity, mold and other problems.
Click to expand...
I have inline fans I just don't want to use it unless needed, the exhaust through the door is a outdoor dryer vent so it looks clean and professional, I hate sloppy looking things and putting a intake fan will probably look sloppy, however I haven't ruled it out, I'm going to start a trial grow with some vegetables this weekend, I just have to wrap up a few things, I was able to find a good mount for my exhaust fan, I have everything routed as I want right now so now I just want to monitor everything, also the bathroom leads into a unused room and the doors always wide open I'm not to worried about the exchanging of air in there, but again I'm going to do a trial vegetable setup to see the room function and monitor hard figures not my own speculations ;)
abe23 said:
Other than that it looks like a good plan. I haven't tried hempy buckets but handwatered coco works very nicely if you're looking for speedy growth without the pump and tray setup. You also only need small pots like 1-3 gallons and can feed your plants as precisely as with hydro....you should look into it.
Click to expand...
[/quote]
Yeah I've looked into coco, I've just had such good luck with the Hempy's, I did a side by side of Soil and Hempy when I was originally converting to hydro setups. The Soil plants at 3 weeks had about 5-6 nodes on them but they weren't branching out much overall, in the hempys the first and 2nd nodes were as tall as the very top of the plant, they were extremely bushy, both were the same clones from the same mother as well. The finish was 2.8oz's off both soil plants roughly 3-3.5 feet tall, the hempys finished about the same height but were very bushy, the stems were extremely thick and barky compared to the soil, I got 7.5 ounces. Both were under the same 400w bulb, I love to experiment and get ideas from others if you can't tell so I'll probably get into cocoa eventually but I'm gonna start with what I know works so I can at least have a small stock before tinkering. I've done a EBB type setup as well before which worked amazing, I just don't have the cash to build a control bucket and get nice pumps and stuff, and something about hand watering I like, It makes me have to handle all my plants every day or two keeps me on top of whats going on.
 
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