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If you want SOLID reading first off stay away from anyone selling LED's. The next problem is the article pages that retailers get written just to direct web traffic to their own site. They usually sound like some good guy writing from the bottom of his heart but just happen to have an ad on...

If they are 1/2 watt or 1/3 watt LED's they are basically only good for pretty much laying on top of seedlings or clones as they won't penetrate enough to promote vigorous growth more than 4-6" from the light and that might be pushing it. Most of the serious panels are using 2W minimum and...

Well from a light spectrum scale those ratios make sense. If you look at the output of a 1000w hps the peak, and something like 75% of their output, is in the yellow/orange spectrum that the plants can't use. If you could eliminate that waste then you could accomplish the same thing on 25% of...

I sure did pay twice as much....so here's hoping I got twice the light and it produces two times what a Blackstar will....lol A guy on here (LedBudGuy) pulled just under 5.5 oz per 170W panel (27oz 6 grams with 850W from 5 panels) from the same company that makes mine so I guess I got "high"...

Wow that's quite the service....so much for privacy! I'm all over the full convert to LED's but if you get stuck looking to add a heater and waste power then why not stick with the good old heater that actually throws some light aka 1000W HPS..lol. So your 3 ft plants actually have about 2...

Thanks bro :-)

Forgot to ask, your 3ft plants, are they foliage and bud to the bottom or do you train or trim them to keep the production focused near the top?

Something to keep in mind also is that LED's don't actually draw the rated wattage. Has something to do with as you approach the wattage threshold for an individual LED it gets less efficient at producing light so they basically underdrive them. For example Stealth Grow's 602 actually draws...

The footprint doesn't have so much to do with the power of your panel as the lens angle. Basically if both those panels use the same lenses then the 550W would just be brighter in it's footprint than the 260W. Lens angle can change that. With 90 degree lenses your footprint increases by 12"...

CREE doesn't make a 660nm or what some people call far-red. Totally agree with your post and not being argumentative, just thought that little fact might help some people sort out the sales BS. @ Kush Grove, Viagro, HudsonValley I'm new to Kessil lights. First I heard of them was KG when...

Depends on the power of the LED's and the lens angle. The higher the wattage of the individual LED's in your panel or light the further they should be placed from the plant tops. 120 degree lens angle provides way less intensity than 90 degree lens angle so they can be closer.

No worries about bashing so don't take it personal when I ruin yours...lol :-) It's all about being informed consumers and cutting through the adspeak and marketing B.S. In a perfect world we would know what we are buying but it ain't so I like to do some research. Anyway, maybe re-read my...

Took some different angles to show the penetration.

So they averaged 13" on trigger day. They are now averaging 18" and the lights are 12" off the top of the plants

Couple questions: 1. Are you using co2? 2. How tall are your plants finnishing? One of my good friends rocked tables for years and still swears by it. Seen two different systems that both dealt with the overwatering issue which can lead to crown rot. One used rockwool starter cubes and...

I am running a grow with two 357 Magnums. The link is in my sig. They aren't as cheap as Blackstar but they are way cheaper than Stealth. IMHO Stealth actually uses CREE leds and Blackstar doesn't. I know I'll probably start a fight saying that but I'm totally 100% behind the move to LED's...

I used an ISIS 170 for veg and LedBudGuy just ran this whole thread using those same panels and pulled .9g per watt on small plants so I'd have to say they seem to do the trick :-) Not sure where he got his from but I ordered mine online www.ledgrowlightsdirect.com showed up in about a week...

Is there such a thing as too much pot? :-) I was helping a buddy build a room just before christmas and we shelved a section of his room and ran a two storey program for veg which is easy to do with LED grow panels. Great use of space and keeps the veg chamber nice and warm. He was having...

The strain is what we call Hempstar but apparently that an old name for it and the cool people call it Brainstorm now :-) I'll measure them up tonite and I think I actually wrote down the heights when I flipped them so I'll look at my notebook which is over at the grow location.

Well we are in day 14 of flower and just repotted. They should like the new casa and really fly. Deep lush green. Lots of bud sites. Raised the lights a bit as they are very intense and although no signs of bleaching the tops didn't want to take a chance.