cob

Hi My last grow was not my best yield so i went back to using nute this is still a organic soil with a ph of 7 and volcanic rock dust and ammendment and compost and reuse promix with dolomite lime to buffer ph . I am using my old botanicare nute that was picking dust .made a new mix with the...

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

I'm sorry if I posted this in the wrong area! I was originally going to go with a 600watt hid in a 2×4×7'11" setup. the company sent me all used and/or broken things. I've been battling back and forth for a refund for almost a month now. Well I got the refund about 20 minutes ago! I have...

Good Morning, I wanted to address the recent changes to the product lineup at Timber Grow Lights. We recently updated our product offering exclusively to COB based lighting. This decision is based on both commercial as well as hobbyist grower/customer feedback and analysis. We feel that our...

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...

Hi guys, I found these lights at a scrap yard and bought all 7 i could find for £20. They all work. Very well made. Slight damage to heatsinks due to being mistreated. Plastic lenses are a bit scratched up. Luceco LHB200W-01 Mean Well HLG240H 48A 200W 4000k Can these be used effectively...

Hey guys I was wondering if what I had in mind would be a good idea for a 3.3'x3.3' tent (1m2 tent). I would like to run 2 HLG-185H-C1050B (runs at 190V) with 5 CLU048-1212C4-353H5M3-F1 (Fv≃34V) cobs each. That would be, if I'm not mistaken, that each cob would be runnig at 38V giving...

Hey guys I was wondering if what I had in mind would be a good idea for a 3.3'x3.3' tent (1m2 tent). I would like to run 2 HLG-185H-C1050B (runs at 190V) with 5 CLU048-1212C4-353H5M3-F1 (Fv≃34V) cobs each. That would be, if I'm not mistaken, that each cob would be runnig at 38V giving...

Would like to hear your guys opinion on which setup i should go with in the future. 8x4 Tent, - 36 Luminus CXM22 3500K CRI 90, each cob @ 30 Watts, total 1080 Watts. or: -16 Quantum Boards 3500K Samsung LM301B 84CRI. each @ 68 Watts, total 1088 Watts...

Hey all, I plan on running 6 citi 1812 90 cri and last minute decided to add 2 citi 1212 90 cri to the mix for added spectrum from a 6500k led. My drivers are Mean well (2) HLG-240H-C1050's. If i was to run 3 1812's and 1 1212 off each driver would that be acceptable? Also how much would the...

So I have an outdoor shed. The shed is a double door entrance. One window on each front side. The size of the shed in total is 15' wide X 11'long X 12' height at peak 9' tall on outer edges. The walls will be air sealed and Fiber Glass unfaced a vapor barrier 6m poly. Sealed seams. I will also...

So after years of always wanting to grow some fine herb, ive decided to make this come to light. Ive done alot of searching online and YouTube videos, forums , hightimes, i mean you name it . So i want to reach out to the community itself and ask some questions and get real feed back from the...

Guys, I have a tastyled t2100 lamp with 2 x cxb3590 for my 2x2 but now I need to build a new lamp for my friend and I really don't have time to research new leds as I did with my previous choice(which I think worked great for me). Can you please help me with choosing the most efficient cobs...

Good Day So i am going round and round about my options, i have been looking at getting a 1000w hps for a 5x5 grow tent but then im from South Africa and it gets hot here in the summer it can get past 40 degrees celsius most days of the summer, so i have been thinking about doing leds rather...

-need some advice on something, I had been using a 450 mars LED in a 2x4x5 tent and just built my self a new vero29 cob light and meanwell driver with dimmer. I am in week 6 on flowering, Will i be ok to add the new cob into the tent at say 25% at first and slowly work my way up to 100% of the...

So I'm just getting started and had recently picked up a Galaxy hydro 300w (blurple) because I had read good things and it was on sale for $50. As I have been researching more it looks like I am going to need more light (I have a 3'x2' cabinet) so I'm wondering what I should get for my second...

I am growing 4 autoflowers in a 2x2.5 tent. I need the best led light available (probably fullspectrum?) How do you guys think about the next light mini? And what do you think of the Optic 1 XL? If there are better lights that I should buy please let me know! And tell me why :) The light is...

https://growerslights.com/products/horticulture-lighting-group-600h-quantum-board-led-kit?variant=6877581115420&utm_medium=cpc&utm_source=google&utm_campaign=Google%20Shopping&gclid=EAIaIQobChMIntOW08L02wIVSx6GCh1CxwNSEAQYASABEgKCmfD_BwE The QB says ppf 1450 for 4×4 space...

So for The light I am building I would like to use a controller, which leads me into using the LDD Drivers so things are able to be controlled.. What I’m not understanding is 1) Say I chose an AC/DC power source that has an output of 36 Volts, and I want to control 5 different strings of LEDS...

Hey everyone I’m new here but I want to thank you guys for all the knowledge you’ve posted on the topic of DIY LEDs. I’m trying to put together an LED build using Samsung F Series strips and COBs for Far Red/Red/and Blue Spectrums. I’ve been doing a lot of reading and watching a lot of the...