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Hey. I currently have a 200cfm fan that I used to use for my 2x2 running in my 4x4. So far no issues that I can see. Every so often it gets into the high 80s, like 89 degrees f but that's not too bad. My only concern is that I may not be drawing in enough fresh air for the plants to do as well...

Hey guys, I'm trying to build a small light to drop in the middle of my 4x4. I already have 4x288.2 QBS but I'd love a cri 90 for the additional reds and to help get light down low. I have two drivers from a mars hydro, both are .63-.65 Amps and 95-100V. The light i'm trying to buy is...

I could change it out for something different. Maybe i'll try to sell it off and install some strips instead. I'd just also have to buy a new driver. Probably worth the investment though.

Hey, everyone. So I bought a lux meter. I understand these were no good for LED back in the blurple days, but now I'm working with 4x Atreum 288.2s using LM301Bs and the Spectrum King 140W to power a 4x4 space. I'm trying to figure out par using my lux meter but I can't seem to calculate...

Here's a look at my 4x4 grow light I just installed. 4x 288.2 QBs and a SK140 in the middle. Just got my lux meter so I can start working on an even spread

I thought they were pretty secure but it doesnt hurt to throw two more rails.

Hi guys! I just finished my first diy build. Using 4x 288.s along with my Spectrum King 140W. Powered using an HLG 480 B. What do you think? I even took apart an old 100w light and used one of the drivers to power a few strips for my seedlings. Works great so far. Next i'll be converting a...

Some EB Series Bridgeflex strips. They're 1 footers and currently only a little over $4 a piece. I have a mars hydro and I took out the two drivers, they are both 55-86 v at .63-.65 amps. I plan on using these.

Hey, guys. Pretty simple question today: Do I need to have something underneath the strips or am I okay to mount just the ends to a frame? Would they potentially get too hot this way or would this help keep them cool (esp with a fan going)? Thanks

I definitely owe you one. Thanks so much. My girls were loving it last night for their first time. Went from one 140W Spectrum King (currently in week 3 of flower) to that plus 480W of quantum board LEDS. It's an ungodly amount of light.

Can't believe the dimmer was the problem.

IT WORKS!!!! :-P

It could be. Let me take some pictures for you. And you are correct. I meant neutral, not negative.

Hey, guys. I could use some help! Been over a day and I cant turn on my build I tried changing connectors, i tried cutting the wire and soldering, and nothing seems to get this HLG 480 C2100B on. I have 4 288.2s hooked up and the driver refuses to power on. I had to cut the power cord up to...

Hey guys! I'm new to LED and wanted to ensure I'm going in the right direction. I've watched growmau5s videos, read a few guides on ledgardener, and now i'm ready. I bought 4 Aetrum 288.2s with the heatsink combo that I plan to flower with alongside a reptile uvb bulb. My tent is a 4x4 but...

The height is 60". I plan on growing 6 plants with their own SCROG setups. Thanks for the tips. I'm definitely going to purchase a 315

Thanks for the info! Do you think I'd be fine buying a used 315? Someone is offering me one for $150. Or I could buy a brand new one with the Boss feature for $300.

Hi guys! It's been awhile but I'm back in full force. I just moved into an apartment with plenty of space so I'm getting rid of my 2x2 and switching to a 4x4 :grin: The lights I have: Spectrum King 140W LED and a Mars Hydro 300 (145actual). I'm down for a little bit of work but I'm not...

I've learned the most from reading your journal YT as well as Koolkats. Starting growing exactly a year ago starting with just a small plant in my bathroom in soil. Now i've SCROGGED, SOG, and learned all about living soil (though not my thing. Thanks for all the knowledge and tips!

Yeah, I guess 25 micron is correct size mesh too. I was way off. Just so you know in case anyone else runs into this problem.