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I was surprised by the heat increase but it's manageable. My temps increased by approx 5F, from 72F to 77F. Mine is a 10 cob cxb3590 running at 535 watts over a 4'x4' table in a 9x9x9 room. Heatsinks are warm to the touch and drivers are hot, all within spec

Agreed. This thread and growmau5 videos gave me the inspiration for mine.

I think you'll need more. I'm doing a 4x4 with 10 3590s in a 3, 4, 3 configuration running off 2 hlg240 1400b meanwells, as shown in one of growmau5's videos. You can also do 12 in 3 strips of 4 but then you need two 240-1050s instead. Using a 4x5 you wouldn't want much less than that. Mine...

lol trimming should be easy for a blind guy

I didn't read all 26 pages but what's the solution if you're growing in grodan blocks? I've just staked them to support. If I was in soil I'd just add more but with grodan that's not an option. The plants are otherwise happy and healthy but they stretched bad when they germinated.

I can't see any reason why you wouldn't use the whole 5x5 versus a 5x3 due to odor control. You're still going to be exhausting the same amount of air regardless.

Then go with a cob setup

For seedlings and growing clones what do you recommend for lighting? I'd like a small separate area to take cuttings and to grow seedlings in and perhaps at some point to keep a small mother under. I figured Cobs would be a huge overkill for this and was thinking about getting a t5 but then I...

Thank you!!!

Yes I'd love a breakdown. I'm curious to know the work and cost difference between diy and a kit

That does look simple too. it looks like you have dikilsr lights! Those pics were helpful. Can you link a diy? Any reason to have the table more than an inch or so above the reservoir?

What system is that jeepster? I'm willing to do a table but for some reason buckets just seem more appealing to me. I want to grow big plants and will have cobs over a 4x4 area so probably like 5 gallon buckets? I'm thinking four large plants would fill up the space my 10 cobs will cover...

Thanks for the reply. I will look into that option. That's basically a tray so that you can put the plants in however you see fit, correct? It's disappointing to hear that the buckets leak because I was hoping I could grow those plants taller than I could out of a tray that's already elevated...

I've ordered a cob setup and will be starting out with a 4x4 veg/flower room as that's what I've bought lighting for. Likely looking to increase to 8x4 in the future as I have plenty of space. I need to pick a system and have been struggling to find good advice on what to go with. I'd like a...

Fantastic build netherfly! I'm using yours as inspiration for my light setup. Could you give more info about the types of pots, soil, etc? I was thinking of going hydro but your system seems to be yielding incredibly well without going hydroponic. If nothing else I could start this method and...

The heirlooms look great.