led cob

Hey guys! So this is my first grow! I just moved up here to Southern Oregon from Missouri about 9 months ago, and finally have established myself to where I can try my thumb at growing! Let's get started! My grow from veg to flower will be completed in a 36"x20"x62" Mylar tent. (I originally...

Good day guys, run into some problem again... My plant scrog in 5x5 tent started showing def. I am not sure what problem am I having. I wonder if I could be light burn. I just switch to COB led for the first run. 6 pcs cbx-3590 2 feet above plants @1400ma All the feedback and quick check out are...

Im building my first 200W Cree LED COB bar. Its going to basically be built the same as @Greengenes707 build with a few variants. If you are looking to build a bar & haven't seen his 200W tutorial build -you should. This is pretty much a personal test and will grow into a larger build if I...

FFOF/Perlite/dolomite 5 gal, 4 weeks veg'd under 90w, week 6 of 9 with 250w (160w high-quality CoB) in 5 square feet H16 base (1-1-3, includes calmag), supplemented by Sea Grow + Hawaiian Bud and bloom (PK boosters), Extreme Serene/Big Bloom (organic stuff). Feed/water every 2-3 days, first half...

So really this all started a little while ago and I have been tweaking and buying things in order to make this perpetual grow function as such and I have finally gotten all dialed in and prepared to show photos and continue on from there so here we go.. What strain is it? Long story short I...

anyone using the citizen? specifically this one http://ce.citizen.co.jp/lighting_led/dl_data/datasheet/en/COB_5/CLU058-1825C4_P3372_1115.pdf or any from version 5 http://ce.citizen.co.jp/productse/info.php?no=107 it looks like they get really high L/W at a high drive current

Hello people, my first post here, wonderful forum, I've been recently diving deep in the DIY COB word, digging the high-end CREE models and I'm getting a couple of 'Mean Well HLG-185H-C1400A' drivers for my setup. I'm interested in knowing about the effect of running the drivers on an inverter...

Recently finished building my first LED lamp. figured id post some pics to keep track of it. Just flipped em to 12/12 2 days ago. vegged under 600w hps for a week or so until i found a 600w MH bulb i didnt even realize i had! Using FFOF. theyve had great white for the roots and bs molasses to...