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As title says, this is for an aquarium. It's about 4 feet long and has some plants. I have a bunch of heatsinks laying around from some previous builds, so I'm just gonna use a couple cobs. What would be a good driver for 2 citi 1212s? Id like to keep the light under 100w total, 80-90w would...

sorry if this has been asked before, I searched, but could not find this exact question answered. I would like to change the light schedule in my veg tent. I have them on 18-6 and want to keep them on 18-6,but the lights are off from 1pm-7pm. I'd rather the dark time be from 7pm-1am. Will I...

Welcome, I'm the ganjafather and this is my journal/log for my upcoming led grow. I'm replacing a 600w hps setup in a 4x4 tent. I'm also looking for ideas/suggestions/advice for increasing my yield. I'll be flipping around 2 weeks from this post and I'll keep this updated the whole time...

Well, the Rails are complete. Probably not very exciting to most of you because it's just a plain Jane cob set up, but I'm pretty happy with it. It's running 450w right now, 8 cobs total. 4 each on 185h-c1400. 4000k temps all around, my temps are sitting at 75-78f currently. I decided to paint...

My last grow (pulled a week ago) had baaad foxtailing due to temps getting into the 90s. I just switched my hps setup for cobs and now I've got 675w of cobs running. I have 3 fans down low, blowing up, the Heatsinks are cool to the from all the air blowing up. There is a 6 inch hurricane fan...

Hey so I'm taking apart my 1 year old cob build to re frame it and I've noticed that the Heatsinks are bleaching or something... It's closest to the chips and it's sort of yellowish. Is this normal? If not, what's going on?

Hey guys I have an build that I want to re frame and I'm wondering how you get the wires out of the metal ideal holders. I've got these https://cobkits.com/product/ideal-holder-for-clu048/ Just want to know if there is a way to disconnect the wires without breaking anything

I'm having a hard time finding an answer to this question. I want to mount the drivers of a few cob Rails outside of my tent, and I have 18 awg solid core wire for wiring the cobs in series and wago connectors to connect to the wire running to the drivers. Can I run this 18awg solid copper...

I've got a few plants that have been vegging for a month and I've already topped them once and tied them down so I've got six tops each. Can I top all 6 of the heads on the plant at the same time or is that too much stress? Thanks

Hey, I'm the Ganjfather and I decided today, that I want to document my grow for advice and to keep a record. I'm a medical patient. Feel free to join in with advice, encouragement or even just to say hi. Currently my space is a 300sq ft basement with 2, 4x4 tents. My flower tent has a 600w...

I bought a portable ac unit today and figured I'd hook the exhaust up to the exhaust line coming out of my dryer,since I have no windows in my basement. Problem is, some of the hot air is blowing back into my dryer, which is a free way to dry my clothes, but it's also keeping the ac unit from...

So I'm just looking to bounce some ideas off of some of you knowledgeable cats. I want to light a 4x4 flower tent and I'm wondering what the more ideal set up would be. First, how many watts would be ideal? 700? More or less? People say Veros are more efficient when running hotter, so does...

So, I built a COB rig for a veg tent a few months back, to replace an hid light, and I've really come to like it. Now I want to replace a couple flower tents with Cobs, but could use some help. I plan on using the rapid led 'substrate' as a frame...

Im going to replace a 600w hps in a 4x4 tent and would like to know if would be better to build another cob rig or go with quantum boards? This will be a flower only light in a 4x4 tent. What's the benefits of one over another? Thanks in advance

Hey so I've got a bunch of dyna gro nutes and I downloaded the feeding schedule they have on their website and I'm having issues with some of it. The bloom schedule they have is fine for me. The ladies love it. But the schedule for veg is not working for me. I'm using foliage pro instead of...

Hey so I'm adding in a second tent and I'm wondering what the best way to exhaust both tents will be. I already have one running in my basement and the second will go right next to it. My basement has an unused chimney that I rigged ducting to for the first tent. It's the only exhaust port I...

My first time growing from regular seeds. I had a big issue where my pH pen fucked up and I must have watered the seedlings with the wrong pH... Long story short, I thought they were done for, but after a 3 weeks, they have come back fully. So they are 4-5 weeks and obviously behind schedule...

Wanting to replace my VEG light with something more effiecient/less heat. I've never grown CFL or flouro before,but it's a hell of a lot cheaper than LED so it looks like a good option. I'm just stuck on wattage. If I just need it for a 2x4 tent, how many watts per sq/f, should I get the...

I'm gonna buy a new 2x4' tent strictly for veg. Normally I'd go with a 400w MH, but I want to keep electricity a little lower and reduce heat. So, I think DIY or COB LEDs are out of the question for now, due to price. I see Mars hydro as the biggest seller on amazon and ebay... but I've read...

So, I'm considering buying some t5s or cfls for my new veg tent. Mainly would like to cut down on electricity from hids. I don't know much about flouros though. Can they compete with HIDs? I'd be looking to replace a 400w or maybe a 600w mh. Would I be better off with t5 or with cfls? Any...