Light distance question?

Alexander Supertramp

Well-Known Member
You are a skidmark in a 2 year old's underwear. Stop giving advice to guys when you don't know what you are talking about. You are going to end up costing people their money. Pushing air into a positive pressure hood is a good way to burn up the gears on your fan and fry the motor. .
When Air cooling lights, should you push or pull your airflow?We recommend to push the air through your air cooled lights to avoid overheating your fan and to create a positive air pressure in your ducting and light hoods.Approximately 150 - 200 CFM is required to air cool a 1000W Bulb.
Gears? I do believe Canfans are direct drive......
I have a pretty good idea who you are and why you are doing this. You have been reported to MODS.
Please do. I havent been the one making derogatory remarks......
 

+ WitchDoctor +

Well-Known Member
Considering you are alone in the argument Alexander, I'd actually take PC up on his idea about posting it as a newb question. Just make sure to only ask advice from people who have set up professional grows. See what people say. No point in continuing a losing argument, because 2 or more against one is pretty much you losing, even if you're right. So post it and see what people say, if they side with you, I'll be open to new ideas....even though I've tried virtually every setup (including the way you are suggesting) and I know what works and doesn't. PC designs grow rooms on this site for people every day. I build and set up indoor grows for sick or disabled people in real life.

Or you could actually set up a grow room yourself, try it both ways, and then see we're right for yourself....

And stoner logic makes the world go around my friend, at least what's left of it. If you had some stoner logic this thread wouldn't have 6 pages....

But I digress. Futurama got the help he needs, and I wish the best to you.

P.S. I'm pretty sure giving bad advice repeatedly will look as bad to the mods as anything else. It's ok to give advice and be wrong....at first.
 

Sir.Ganga

New Member
I run my 600's from 4 to 8 inches but I have enclosed hoods that allow me to be that close.

"This is a mythe in fact the maximum static pressure rating is the same on inlet and outlet. So the ability to push is the same as the ability to pull. I know that a lot of my customers belive that inline blower are more efficient when they are pulling but again this is a mythe."

This is the statement I got at from an rep at a hvac convention. There are many ways of looking at this whole issue, positive, negitive pressures, flow efficincy, flow volumes and so on. I have read the whole thread and let me say it seems like people are talking about 2 different things. I push and pull with mine, efficiency, heat I don' care, what I care about is MAX air flow.

With enough fans IN-line "Max flow" or load volume can be achieved. It depends on the length or run and size of ducting but if positioned correctly pushing or pulling does work equally well.

IMO

Vaper
 

Alexander Supertramp

Well-Known Member
cfms are cfms, pushing or pulling......static pressures are static pressures......axial fans are designed to accomplish these things.......
"This is a mythe in fact the maximum static pressure rating is the same on inlet and outlet. So the ability to push is the same as the ability to pull. I know that a lot of my customers belive that inline blower are more efficient when they are pulling but again this is a mythe."


  • This is the statement I got at from an rep at a hvac convention. There are many ways of looking at this whole issue, positive, negitive pressures, flow efficincy, flow volumes and so on. I have read the whole thread and let me say it seems like people are talking about 2 different things. I push and pull with mine, efficiency, heat I don' care, what I care about is MAX air flow.

    With enough fans IN-line "Max flow" or load volume can be achieved. It depends on the length or run and size of ducting but if positioned correctly pushing or pulling does work equally well.

    IMO

    Vaper​



Someone else on the same page. Thanks or sharing SG...
 

budleydoright

Well-Known Member
Personally, I think we should all medicate and chill. It sure would be nice if the mods could delete all of the BS in this thread. Light distance, while covered in many threads is always an important issue for us to cover.

I personally have tried a few things. My original setup was 1000 watt hps in a fresca sol water cooled fixture. I stuffed it into a homemade wooden box that was 4 x 5 but only 48" tall, quickly raised to 60". Light could be 10 inches from the plants directly below it. Much to my surprize the plants that were 24-30" away developed nicer buds. Switched to 600's due to height restrictions, still found best results not in the brightest spot, but the ones 18-24" away.

Look at all the pro setups. 1ks are 30-36" above the tops and 600's are 24" above. If your like me and you have to prove everyone wrong, go ahead and supercool your light and drop it down to 12" burn a few crops before you figure it out.

I now run open hood 1ks and 600s that are 24-36" and 18-24" above the tops.

Not saying it can't be done or that others are wrong, Just my hands on experience with light distance and bud quality!
 

Sir.Ganga

New Member
Look at all the pro setups. 1ks are 30-36" above the tops and 600's are 24" above. If your like me and you have to prove everyone wrong, go ahead and supercool your light and drop it down to 12" burn a few crops before you figure it out.
Future:

The main reason for a larger operation to have that much height from plant to light is for convenience. With grows that size moving your lights is impractical. What you need to look at is watts per sq/ft. the farther you are away from the light the less intensity you will have. wattage and intensity are what you are looking for so running your lights as close as possible makes sense for someone on a smaller scale. The popcorn bud commercial growers is almost half of their weight, unless they rape their legs and only go for tops, then they reduce quantity.

If your hood has a glass lense and vented, you should run them at 6-8" from the light, this will give you intensity through 3 feet of the plant. You don't want popcorn bud, do you? Just keep an eye on them and if they start to look stressed raise the light for a couple of days, budley right, the light can be heigher if need be, but unless you have a reason too, why?

IMO

Vaper
 

Doer

Well-Known Member
Originally Posted by budleydoright
Look at all the pro setups. 1ks are 30-36" above the tops and 600's are 24" above. If your like me and you have to prove everyone wrong, go ahead and supercool your light and drop it down to 12" burn a few crops before you figure it out.
Yep, been there. It looks like it would be OK. You might even think you are increasing the yield at first. But, in the end, the resin balls don't form as plentifully. Remember we are trying to produce a late summer, fall, where the light period is equal and getting less. The intensity is also declining.
 

Futurama89

Active Member
First off ass clown if you can't setup a tent then you shouldn't be talking about your weed being better than anyone else's. Are you kidding me? Post a pic of your stretched out low yielding plants so I can laugh my ass off. You say I didn't take the time to go through your posts...I didn't need to. This dude did it for me. Why didn't you answer him? What, do you just ignore people when they hit a nerve or prove that you are wrong?

Originally Posted by phillipchristian
8" is about as close as you want or need to get as long as you can control the temps on your plants. Good luck.

Originally Posted by phillipchristian
Didn't notice the plants. Matt is right about that...you will have to run some short veg times to fit them all in there unless that is just your veg tent.

Also, what's up with the fan? Looks like it is pulling air from outside through the light and exhausting it into the tent? Is that right? If so you need to change that. If you are using air from the tent and pushing it through the lights then that needs to change as well.


Originally Posted by Futurama89
Why would i pull air in from outside, through my light, out my fan and into my tent. Thats RETARDED! Id be filling my tent with hot air!
And how is suicking air in from my tent, through my light and out wrong? It sucks fresh air in through my passive air vents in the bottom of my tent and brings in fresh air, at the same time as clearing the hot air from my light.. im confused with your statement please elaborate???????

Originally Posted by nuglets
man, read what phillip said to you in the first 2 quotes. then read your response. maybe you didn't mean it to be but all the capital letters and punctuations comes off as very condescending. i thought so and so did the other guy. maybe that wasn't what you meant but it sure looked that way bro. he gave you solid advice that basically the other guy just expanded on. most everyone know that you pull air through a fan. philips response was definitely HARSH bro. don't get me wrong. but quit acting like you weren't being a little bit of a douche with that response. plus bro, i give phillip the benefit of the doubt. do a little research man. he's got 2 threads that ought to be stickies. all he does is help people design rooms with a software program. that's it. just pop in and he'll take the time to draw up a room for you and then help you work it out. then he's got a thread that he just explains how water cooling works to people and tries to work out solutions for people. shit dude, he even get's people discounts on grow equipment from his distributor. he's helped out thousands of people on this forum with no alternative motive. plus he's a really good grower and he know his shit about design, construction, and electricity. just saying bro; maybe you need to look in the mirror before you start acting like you're innocent.

You say I'm arguing with everyone in this thread...please show me where. Your boy Alex is a ghost account for a dude who just wants to troll people. That's the only reason he's here. To start shit. As mentioned on page 1&2 by 2 different people not including myself. The reason I'm being a dick to you is stated above in red as your response to me with obnoxious capitalization and punctuation. So far in this thread the only person that has agreed with you is Alex. Good luck having him on your side retard...you'll get real far. 3-4 different people have already stated that you were a dick in your first response to me. Answer that asshole. Explain to me why you are the only one who thinks your first statement wasn't obnoxious.

It's clear to me you are just a fucking retard. Too stupid to even realize how much of an egotistical shit for brains you really are. Butthurt? Please dude! You are having trouble settting up a 3x3 tent and talking shit about my buds which you've never seen. LMAO! I couldn't be as stupid as you if you hit me in the head with a sledgehammer.
HAHAHAHAHAHAHAH i shake my head at you good sir, again ive been trying to be nice to you still havent even put on my rude pants yet and your still being a 100% dick to everyone for no reason at all, none. just to let you know i wont back down from you dude, we arent even arguing a point and you still just want to argue and argue and argue, but your not even arguing a point at all. i never even started this man i just wanted you to tell me more, like why i was doing it wrong in your eyes, and then you started freaking on me man, so what if this is the first tent ive setup its called OUTDOOR growing bro!!!! been doing it for years without any problems and decided to start em indoors under 24 hrs of light this year thats why i have a tent, im not even stressing the push pull thing since they wil be outta there in 2-3weeks anyways, i know and understand that a true indoor grow would benefit from sucking and thats what i will do if i go indoors.

But com'n man i just wanted more info and you got upset i dunno why you cant just admit that!!! leave it at that and call it good i wasnt being rude or "obnoxious" which i dont iunderstand how you got that vibe at all.

hes not my boy and i never agreed with alex to begin with just someone whose posting his 2 cents, never even talked to the guy before!

sorry if i correctly know how to use punctuation and capitale letters because i recieved an education, its cool maybe one day youll be able to read a corrcetly punctuated paragraph and not think the person is being rude or a dick becuase he used caps and a question mark. like seriously guy you think i was rude cause i capitalized some letters and put in a question mark, and you say your not a butt hurt little bitch HAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

you and niglet were the only ones that took that as me being rude and he even said that you were being hars and when he re-read my quote that he just took it wrong the first time and upon re-reading it noticed i wasnt being rude and thats when he chilled out and gave a real answer!!!

Again you and niglet were the only ones to think this...... and he noticed i wasnt being rude or obnoxious at all and said that later on in the thread

If you could point out where im having trouble setting up a 3x3 tent (when i own a 4x4) because it looks like my shit is way out doing the same strains planted the same day by SEVERAL other local growers and SEVERAL growers on here. please point out how i couldnt setup my tent because it seems to be working at 100% bro?
 

phillipchristian

New Member
I'm done dealing with you bro. Like talking to a brick wall. I've pointed out to you how you were rude and 3 other people agreed with me. Keep living in your fantasy world where you ignore anything that is counter to what you believe.
 

Futurama89

Active Member
thank you phillip christian for ruining an entire thread when all i needed was help!

i have a quote for you to end this

"never argue with an idiot
they will just drag you to there level; and beat you with expierence"

have a great life and my bad you took me the wrong way dude, not my fault whatsoever, thanks for the advice and thanks for being rude! hope this makes you happy in some form
 

Futurama89

Active Member
I'm done dealing with you bro. Like talking to a brick wall. I've pointed out to you how you were rude and 3 other people agreed with me. Keep living in your fantasy world where you ignore anything that is counter to what you believe.
I apologized and pointed out i wasnt being rude and said you were RIGHT and you still say im dumb and not listening to you and im being rude!!!!!
What fantasy am i living guy? i dont understand you at all man, jesus people just trying to get help and understand shit and you just run em off of forums saying there being rude and dumb and not listening............
 

Futurama89

Active Member
Im done also unsubbed
my apologies man, no harm intended to anyone even phillip christian, im still trying to be nice and just learn here and he thinks im being rude...
anyways man ill def have consider t-5's if i end up doing anything indoors, but like i said previously the main reason i got a Mh over t-5 wasnt for heat dispersal or lumens output so much, but spectrum of color output, from my understanding/what i was told doesnt a mh light mimic a fuller/more natuaral spectrum of light?

I could definetly be wrong/misinformed but i went with MH over t-5 because it mimics the suns natuarl color spectrum output, kinda like LEDS vs. HID kinda deal.......
 

Papa Dawn

Member
Hi I'm an old fart that has been growing for many years. At the moment I am running 12 / 1000 watt bulbs in hooded reflectors. I take the air from outside and push it through the hoods and exit it outside. There is no carbon filter in the system and no smell because none of the air in the room is in the hoods. Any air leakage goes into the room. If I was to pull the air through the room any leakage would be into the hoods and out side , smell and all. To exchange the air in the room I have a 10"exhaust fan with a carbon filter.
 

phillipchristian

New Member
Hi I'm an old fart that has been growing for many years. At the moment I am running 12 / 1000 watt bulbs in hooded reflectors. I take the air from outside and push it through the hoods and exit it outside. There is no carbon filter in the system and no smell because none of the air in the room is in the hoods. Any air leakage goes into the room. If I was to pull the air through the room any leakage would be into the hoods and out side , smell and all. To exchange the air in the room I have a 10"exhaust fan with a carbon filter.
LMAO! How convenient that you joined RIU today and this is your first post. Jesus.
 
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