diy cob

i was all set to build a grow light similar to the kind k4, ie with separate light spectrum leds, and i started seeing cob grow lights. i have a question regarding these two types of led grow lights. i kinda liked the fact that with the leds you could control each color individually, and i...

I have two Mars 144 LED fixtures and am now Interested in buying a quality COB fixture. After searching eBay and Amazon and seeing some of the bad reviews from customers on sellers I was wondering if anyone has had an experience buying a fixture from a user member or shop on eBay or Amazon and...

Hi, mean cree 3070 I have attached cooler with thermal adhesive on CPU. Is it possibl to remove without destroying it?Has anyone tried this? Thank you for your help

Hello everyone, I've asked a few other places and didn't get any answers. I'm looking ato building my own led grow light for a grow space that is 3ft/3ft/8ft with little ventilation options. I was thinking about using 3 cree cxa3070 cool white 5000k for veg and 3 cree cxa3070 warm white...

hi all, let me start by saying that i have no intention to get spoonfed (the next time lol) i will do all my research after that, i have just some questions before i start my journey of a cannabis grower :) i'm a complete newbie and i would like to start growing with leds, i watched Gromau5...

I'm jumping on board the COB train and am prepping a build for final wiring and completion. But am wondering , from those that have run their builds whether 3000k or 3500k COBS are what would be the best ( overall kelvin temperature ) for growing start to harvest. I have a 5 COB build with a...

· Recommended tools: Multimeter with 10A current measuring capability Power meter - KillAWatt or EnSupra (no affiliation) Wire stripper Wire crimper Slide Connectors Heat Shrink Tubing Tools: wire stripper , drill, drill bits 1/8, 5/32, 3/16, 3/16-NC18 tap · Misc: solder, shrink tubing, 18ga...

I have owned a few LEDs over the last couple years, and have decided to build my own. I will be using 5 Vero 29 4000 K Cobs, powered by a Meanwell HLG-185H-C1050. I've decided upon that particular configuration based upon the fact that I am going to be growing in a 3x3x2 tent, and I wanted...

I've decided to stop posting in my other thread https://www.rollitup.org/t/side-by-side-organic-soil-mixs.896414/, because I've got more than just that going on and want to keep it all in one thread. Some will be familiar with the other thread others won't, but if you want a bit of background on...