giggywatts
Well-Known Member
has anybody used these? i know their not cheap as they are 32.00 each give or take, i can't remember right off hand.
led spotlight?
- Thread starter giggywatts
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Bumping Spheda
Well-Known Member
How many plants are you looking to grow, and in what kind of space?
jimjim2609
Well-Known Member
Yeah, no good, not powerful enough to grow anything smokeable. Do a search on ebay for led grow flood light. There are a few on there that would be alot better and cheaper than that light. I found this one that looks ok but i havent used it but i have used similar.
http://www.ebay.com.au/itm/12W-6x2w-2Blue-554nm-4Red-660nm-Hydroponic-Plant-Flood-LED-Grow-Light-265V-/251316467371?pt=AU_Seed_Starting_Hydroponics&hash=item3a83a0f6ab&_uhb=1
or here's a 20w one that about the same price
http://www.ebay.com.au/itm/10W-20W-30W-50W-Blue-554nm-Red-660nm-Hydroponic-Plant-Flood-LED-Grow-Lights-/251248529710?pt=LH_DefaultDomain_0&var&hash=item3a7f94512e&_uhb=1
Its not going to grow you pounds but it would be good for a small stealth grow
http://www.ebay.com.au/itm/12W-6x2w-2Blue-554nm-4Red-660nm-Hydroponic-Plant-Flood-LED-Grow-Light-265V-/251316467371?pt=AU_Seed_Starting_Hydroponics&hash=item3a83a0f6ab&_uhb=1
or here's a 20w one that about the same price
http://www.ebay.com.au/itm/10W-20W-30W-50W-Blue-554nm-Red-660nm-Hydroponic-Plant-Flood-LED-Grow-Lights-/251248529710?pt=LH_DefaultDomain_0&var&hash=item3a7f94512e&_uhb=1
Its not going to grow you pounds but it would be good for a small stealth grow
giggywatts
Well-Known Member
i have a 2'x2'x4' box, that had over 400 watts in cfl. was looking for something that would run a little cooler. i'll just wait till i get my room done.
captainmorgan
Well-Known Member
Man that's a lot of watts for that small of a cabinet,are you talking actual watts or bulb equivalent watts?
I just pulled 6 zips with 188 actual watts of Cree bulbs in a 31"x 31" x 78" cabinet,check it out.
I can't edit the OP of the thread and dropped the CFL's very early on.
https://www.rollitup.org/led-other-lighting/656542-flowering-cree-bulbs.html
giggywatts
Well-Known Member
no that is actual watts, i have 4-55, 1-42, 2-26, 1-23, and 6-13 total 415 watts.
Bumping Spheda
Well-Known Member
I'm in a 2'x2' enclosure, I've got ~190W of LED, and I cannot imagine having 400W in there. That's an insane amount of light for that amount of space, at least in my mind. As you probably already know this would definitely play into why your temps are undesirably high.
I agree with both these guys. Two good budget LED light sources have been mentioned (Cree 9.5W bulbs, and the second link that jimjim posted with the 8:1 Red/Blue floods). You could mix and match between both of these (or even Warm White flood lights as these should be a little cheaper than the Red/Blue units) according to budget and needs.
GL.
I agree with both these guys. Two good budget LED light sources have been mentioned (Cree 9.5W bulbs, and the second link that jimjim posted with the 8:1 Red/Blue floods). You could mix and match between both of these (or even Warm White flood lights as these should be a little cheaper than the Red/Blue units) according to budget and needs.
GL.
giggywatts
Well-Known Member
some of us in the cfl's like about 150 watt per square foot and as close as 2" away for the penetration of the light. i guess i am looking at the led's the same way. there are people running 400 watt hid's in a small box, that is the one that is insane.
giggywatts
Well-Known Member
giggywatts
Well-Known Member
my last grow was 4 plants 12/12 from seed, i really messed them up, but did get some good smoke from them in the end. i call it my learning curve. it was my first true indoor grow, but i have grown for years.
giggywatts
Well-Known Member
i'm still reading up on the leds and still need to do more reading for dumbie's. i'm still trying to figure out how many leds i need to equal my 415 watts of cfls. i'm still trying to find out how hot they run too. i'm used to going by watts and not lumans (spelling). please bare with me.
Bumping Spheda
Well-Known Member
Eh, perhaps I misspoke. 400W in a 2'x2' is 100W/square foot which isn't "insane," but might be slight overkill (at least with LED's, and imo).
That said, I recommend:
http://www.ebay.com/itm/50W-Warm-White-High-Power-LED-Lamp-Panel-Mean-Well-AC-DC-LED-Driver-LPC-60-1750-/380529654299?pt=LH_DefaultDomain_0&hash=item589955ba1b
$28.60 OBO, free shipping, 50W Warm White with a quality driver. Helluva deal, imo, and you might be able to talk him down a buck or two per unit buy buying multiples. Note that you'd be able to add some 3-5W Deep Red's here and there to supplement your spectrum coverage.
This leaves cooling the LED's to be discussed. I'm thinking something like a cool tube if it can be managed, but I guess cooling is up to your circumstance: budget, DIY skills, state of the grow room (weight that can be hung, easy exhaust) and so on. I'd be happy to discuss cooling, but I feel it's gonna be tight to keep this cheap unless we find/think of something really good.
...Or of course you can buy a prefabbed panel and hang it in your tent. DIY has its perks and drawbacks.
That said, I recommend:
http://www.ebay.com/itm/50W-Warm-White-High-Power-LED-Lamp-Panel-Mean-Well-AC-DC-LED-Driver-LPC-60-1750-/380529654299?pt=LH_DefaultDomain_0&hash=item589955ba1b
$28.60 OBO, free shipping, 50W Warm White with a quality driver. Helluva deal, imo, and you might be able to talk him down a buck or two per unit buy buying multiples. Note that you'd be able to add some 3-5W Deep Red's here and there to supplement your spectrum coverage.
This leaves cooling the LED's to be discussed. I'm thinking something like a cool tube if it can be managed, but I guess cooling is up to your circumstance: budget, DIY skills, state of the grow room (weight that can be hung, easy exhaust) and so on. I'd be happy to discuss cooling, but I feel it's gonna be tight to keep this cheap unless we find/think of something really good.
...Or of course you can buy a prefabbed panel and hang it in your tent. DIY has its perks and drawbacks.
jimjim2609
Well-Known Member
IMO i reckon you need roughly double the amount of wattage of cfls to leds. Leds seem to work alot more efficient. I have used about 160-170w worth of cfls and the results were airy light buds. I used a cheap 50w chinese ufo and had better results. The penetration from leds is better and in general you dont have the issuses with heat that you have with large amounts of cfls or HID lighting.
giggywatts
Well-Known Member
the airy buds was another thing i found with the cfls. the grow box was in my closet, and i was having to open the door and put a fan in the doorway to try to keep cool air in there. i like the fact that penetration is better. jimjim i looked through your thread but really haven't had a chance to really read it. i'm hoping to see your cooling setup. bumping spheda i thought the thing about the leds is that they were so much cooler. what kind of temps can i expect from them? i believe i could run a cool tube and a 400 mh hid, and keep the temps down in my new setup i'm trying to build, i'm building a 9'x6'x8' room, i have a small a/c that i'm bringing in, but the room may turn into a 9'x14'x8' room with a veg. cabinet before it is over. even with the room, i still plan to use my box for some 12/12 from seed grows and thinking about going led for it. i'm seeing good things from them.
Bumping Spheda
Well-Known Member
My 2'x2' tent in my closet gets to ~100 degrees with ~190W of LED when ambient temps are ~75. I have a small window AC that I use to cool the tent down when lights are on, although proper ventilation would get you most of the way there if you had a place to exhaust the heat. Since you had a fan in your doorway it sounds like you don't have a place to exhaust to, am I right? How would you exhaust the cool tube if you went HID? This is how you should probably plan to ventilate your tent if you go over ~150W of LED, imo, especially if the room that your closet is in isn't air conditioned (like mine was before I bought the window AC).
-Edit-
Oh, you've got two rooms going, the HID was meant for the new room. In that case you need to think about proper ventilation for the closet. You could try maybe 100W of LED, see how they perform, see how warm the tent gets, and then go from there?
-Edit2-
When I mentioned cooling the LED's in my previous post I meant a heat sink. And the cool tube comment meant over the heat sink (not the LED itself, LED's don't beam much heat into your canopy) to draw the heat out of the tent. All high power LED's require a heat sink.
-Edit-
Oh, you've got two rooms going, the HID was meant for the new room. In that case you need to think about proper ventilation for the closet. You could try maybe 100W of LED, see how they perform, see how warm the tent gets, and then go from there?
-Edit2-
When I mentioned cooling the LED's in my previous post I meant a heat sink. And the cool tube comment meant over the heat sink (not the LED itself, LED's don't beam much heat into your canopy) to draw the heat out of the tent. All high power LED's require a heat sink.
jimjim2609
Well-Known Member
My cooling setup is probably the basic of the basic. All i needed was 2 pc fans connected to a couple of nokia phone chargers pumping fresh cool air in. They are located at the bottom of my cab. Then all i have is a couple 100mm vent holes in the top of my cab to let the hot air escape. If i wanted to i could take one of the fans and put it up the top to act as an exhaust but i havent needed too yet. Temps never run above 30 deg C (86 deg F).
giggywatts
Well-Known Member
ok for the old box, i'm thinking about the cree's like captianmorgan is using. bumping spheda the led you posted is pretty cool. question i have now is how many watts of led per plant or how many watts led per square foot? with the cfl it is 100 to 150 per square foot, or 175 to 250 per plant (best), and of course it drops some for the hids. i just haven't found that answer yet.
captainmorgan
Well-Known Member
I just got .9 grams per watt of hard frosty trimmed bud from 188 watts of Cree bulbs from home depot in a 31" x 31" cabinet, that's 6.67 sq ft so it comes out to 28 watts per square foot.
giggywatts
Well-Known Member
captainmorgan i'm sorry, it was your thread i was reading with the cree bulbs. i haven't finish reading it yet, but hope to get back to it today.