led .cob .tent . floresent

I recently changed from blurples to quantum boards, I have 240w (2x 288 boards) in a 4x2 tent giving me 30w per foot. Ive heard this is the figure to aim for! My question is, is there an upwards limit? How much would the yield benefit from pumping it up to 50 or 60 watts per square foot?

First time grow with DIY COB'S, looking for the right amount of light and distance measured with a fluxmeter. 2x2'.....one plant.......4 Luminus CXM 22 3500K 90CRI @ 35 Watt each......140Watts total. Need help! Thank you

Whats up my Led Brothers!!! Finally i got my first light togheter.....Got the aluminum L brackets for the frame, 4 Heatsinks, 4 CXM22's 90 CRI 3500K and a HLG 240H-48A Driver. I am completely new to the LED DIY lighting and need some help before i light this up! Before anything.....how do i...

Whats up my LED brothers! I am new to the Led lights and have a question, Looking to run 4x Luminus CXM22' 3500K 90CRI via one driver @30W each. Which one is the correct driver to use, the 54A or the 48A?: https://www.digikey.de/products/de?keywords=hlg-240h-54a...

Any thoughts my brothers what gives me highest yield results, im looking for weight!....

Hey my dudes I'm pretty green to all this I've just started to get into it. I need some help and advice with a few things, if I could get pointed in the right direction or given accurate advice that would be swell. So first off I'm thinking of buying a Gorilla grow tent specifically the 5x9...

I'm looking to buy new led unit. Just bought lightess 1500w (340w) returned one of the first 2. And complained about the second, so company send me a 1200(250w) free of charge. It was scratched so I got a three unit at 1000(190w) Worked great for veg but flower is lacking. Come to find out there...

Greetings everyone It's been some years since i last purchased my MARS II. I think I got the idea via this site actually. So anyway, the time has come for me to get some fresh new gear. Therefor I have been looking at DIY LED projects on google. Nothing has changed, I mean... Surely everything...

Has anyone bought one of these kits? looking at getting 2 of them for a few plants in a 4x4 setup, not crazy about 3 cobs on a 20" heat sink. any input would be appreciated, hope everyone is having a great weekend. /vero29-triple-cob-array-kit/ sorry, not allowed to post a link. need one...

Hello I've been looking around the forums for about a week and figured it was time to post my questions all in one place instead of going between threads and looking through some out dated ones. I have to appologize in advance for not having any links (site wouldn't let me because being a new...

I bought a new 1000w led light and it seems to be working so far. Nice frosty buds 3rd week of flowering. I like it so much that i wanted to buy another one to double my light. I posted on roll it up a few weeks ago asking for advise and EVERYONE that responded pretty much said ALL led lights...

This website sells these lights and says their the best but it doesnt give any info or specks. Anybody heard of these lights before? GrowthStar Scorpion 5X 325W COB LED Grow Light [NEW] $549.99 $659.99 Sale GrowthStar Scorpion 8X 380W COB LED Grow Light [NEW] Sample Quote...

Other size options: 400 W ($220) CrxSunny 1200W COB LED Grow Light Full Specturm for for Hydropnic Indoor Plants and Greenhouse Growing Veg and Flower from Amazon.com - Seller Help plants generating stems and leaves. 520nm-610nm(Green): Low pigment absorption rate, but great for special plants...

So a while back I bought some of these lights just to fuck around with for veg and when I used it, the growth was fast. But I dont know what proper driver to use for these. Can someone out there help me with this please? long story short I bought a chinese grow light LONG time ago and somehow I...

Hi I'm new to the site and I had questions about growing scrog. Never done it before and was wondering what the lighting I should use in that size of a tent as far as led goes and if there's any advantage. Also what's the yield difference in scrog vs letting the plant grow naturally? Any help is...

I have a 5x9x8 tent and want to move away from the 2 1000 hps i run because of their unmistakable energy use in the days of smart meters. I constantly see well known members glorify cobb lighting. Any suggestions for an equal counterpart to my 2 hps? It would not be very practical for me to...

OK here my setup just started in week 3 of veg 4x4 tent. 260 cfm exhaust fan with carbon filter 170 cfm intake fan with car intake cone filter 900w viparspectra led 450w led. A few clip fans and a oscillating tower fan. Seeds are hibernate strain from greenpoint. Sofar they are very vigorous...

First grow running this setup. Brief Overview: Light: Vyprx Plus from Fluence Bioengineering, 24 hour light schedule Fan: Vortex S600 (Run on a Variac @ 110v) Space: 2x4x6.5 Gorilla Grow Tent Growing Medium: E.B. Stone Organic Ultimate potting soil and Organic Perlite mixed in 10g air pots...

i was looking at a mars300 or mars600 are these reliable ? for a 2by2 or 2by4 tent ? i allready have enough big bills and wanted to try led vs hps