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agreed. everyone has strong options on things, and debate is good. but lets try and keep it professional. Its not what you are saying will get you banned, its just people will stop responding to you. I also agree with you, with my grow operation growing, buying bottled nutes would eat me...

So 24v to run a 60 watt board for $29 dollars heatsink free. hmmm... So you could run 9 of them in series on a HLG-480H-2100 push about 57 watts each per board and you have a 515 watt DYI light for around $425 (boards, driver, and frame) I would imagine this would give amazing coverage in a...

what are the FV on these? $30 seems pretty damn reasonable for a 60 watt light. I kind of want to do a big build with them now....

I would too. @robincnn can you update the specs on the website for these boards? make a chart like the other boards. I see they can be run from 10 to 60 watts and 11x9.5 in size. But do you have any LM/W stats, umol, etc? FV per board? 24v? Thanks!! So they don't need heat sinks? even...

looks like a disco light. i love it

Lol

There! The light is moved and its rewired. Actually it wasn't a big deal. :) This is my first all q board light.

I had no illusions that my lack of symmetry would go unnoticed. Everyone that looked at it called me out on it! :) Fine you monsters!! Ill put the 288 in the middle!!! BTW, i love those HGL-480s. I can run a 4x4 on one of them. Run 4 x 304's at 115 watts or 9 cobs running 55 watts each...

so...anyone think this wiring job makes sense? I have 2 - QB304 boards and 1 - QB288 The 304s are ran in parallel and then the 288 is added in series.

I have 10+ ph tap water as well. I use PH down and nutes to bring it back down. If you are really concerned about you ph bouncing around, move to DTW if possible. Also, like Firsttimeare said, use a big tub, you can get a 110 gallon cattle tub from a local farm and feed store for around $70...

Im sure this has been hit on a lot, but remind me so i don't have to search 130 pages for this info. Can I reuse COCO? If so, how? If I an I'd assume i need to clean out the roots and then wash it. Would I just use tap water? or is there some nutrient mix in need to make to do this? I...

I agree with a previous post. People get too hung up on nuts and neglect other things. Get your lights right first off, get a nice air pump and air stones for your res. I have a 110 gallon plastic cattle tub I fill as my res. Its in my basement, i don't really have issues with it getting too...

I think these and cobs each have they own pros and cons. I can't speak to the Photons (post a link to them) What I have in the picture is 10 - BXEB-L1120Z-35E4000-C-A3 - These are 4 foot bridelux strips in the 3500k range. I am running them on 2 HLG-240H-C1050A meanewell drivers. I use 1/8...

I am getting ready to wire the them up. I post some picks of my rig and will let you now how the work, do you have any specific questions?

I was off for the summer while my power rates were up. But i am back to the grow. I missed this thread. I am using LED to grow my lettuce, but I have a bunch of cobs and heat sinks around, so hell, I do one from scratch. Ill put something together over the weekend and post some pics.

you have 2 kits being shipped or you are wanting to know what kit to get? the 4 cobs are fine, as the driver can be dimmed. 200 watts may be more then you need in a 2x2. 150 watts would be fine. The cobs running at a low wattage would run them more efficiently, plus you would get a better...

has anyone used these yet? HLG-480H-C1400A - 343 FV HLG-480H-C1750A - 272 FV HLG-480H-C2100A - 229 FV HLG-480H-C2800A - 171 FV They seem well suited for a 4x4 area. I have just picked up a few, but haven't wired them up yet. In the past I've noticed that meanwell drivers seem to kick out...

I'm sure this has been hammered on about in a bunch of replies over the last 130 pages. but i am running pure coco, i was thinking about mixing in some peat, Im running in dutch buckets with the bottom inch or 2 of the bucket filled with clay pebbles. what ratio has been found to do the best...

i was looking around on ebay, and came across this. http://www.ebay.com/itm/600w-cob-led-grow-light-3500K/232482863369 does this seem really inexpensive based on the parts alone? I am seeing around $1000 in parts, im not sure if the frame is included, but i would suspect it is. That would...

do not over fill your tent. Fight the urge to do so. yeah, it looks like you could put 8 pots in there, they look all nice and symmetrical. Even after the first few weeks they look like its going great. then they will explode in size and start to choke each other out, it will be a big a mess...