That’s a hell of a light , know many that use them - well worth the money --but for a 2by4 space you will be using the dimmer - - it might be too powerful to run at 100% -
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Very nice lights.
SpiderFarmer makes an oversize 2x4, I like mine just fine.
I use a few Kind X420s in my 2x4s, Timber COBs in the 3x3s, HLG Rspecs in the 4x4s, and Grower’s Choice roi-e720 in the 5x5.
The Timbers are definitely my favourite, the Kinds are a close second.
Good luck with your search, that’s half the fun.
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There are countless knockoff brands now that will try and convince you that they are the best but just google “b_r_a_n_d fire” or “reddit b_r_a_n_d” or something similar and you may be horrified at some of the stuff you find.
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I heard it’s better to get a more powerful light and run it at half power then get a less powerful light and have to run it at max power.
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sound advice !- guess it’s good to get a light will all the extra power if needed
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I’m actually starting to think about getting the cheapo light that comes with the kit. And if that’s not enough then maybe invest in a nicer light later.
I’ve got an hlg 280ish, a spider farmer 2000, and a medicgrow fold 8. I think either of the first two are fine for a 2x4 and I run the medicgrow in a 4x4, at like 60% max.
I do like the bar style lights, only wish the driver could be mounted outside the tent sometimes.
Would definitely recommend taking a look at this website:
They do legit reviews, measuring light spectrum and coverage over the whole footprint of a tent at different light heights. That site is what ultimately led me to the medicgrow.
I’ve never used an AC infinity light, but I like everything else I’ve tried from them. Some companies like photontek and growers choice always struck me as nice, but very spendy.
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I run this light in 2 of my 2x4s. I use to have an hlg light that was for the same size space. I like these ac infinity bar lights the most currently. They are super bright and not too hot. I’m going to get a third when my final 2x4 hlg dies.
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I have 3 of those oversized 2x4s from Spider Farmer - absolutely love them! I run 3 AC Infinity S22s in each.
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Yeah man, I’m so glad I found them! I’ve gotten rid of all my others and replaced them with the SF 2x4s, except my little 3x3 experiment tent.
Sounds like you have a few nice setups!
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Going to probably snag a optic led 520w killawatt slim it’s a 520w bar light from a reputable company for only 500 to replace my hlg 600r in my 4x4 while I love my hlg it runs hot I never run it full power so I think this bar light will be the ticket for my upgrade needs
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Do you have a link to it?
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Do you have a link to those oversized 2x4s?
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I love my optic led, but absolutely hate the customer service. They’ll take days to get back to you if they even respond. My buddy never got the controller he ordered and they won’t acknowledge the payment on his bank statement. Buying the battery for their controller is a must, any small surge will cause the controller to power cycle without the battery, and you have to manually reset it.
I’ve bought 3 optic lights, 2 650s and a 300w, which are amazing. The person that took care of me initially and was my main contact left the company, it’s been awful since.
Just my experience with them so far 
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I got mine from eBay. Just have to select the 2.5 x 4.5 x 6.5 option.
Yikes might hold off and wait to see what deals come up for Black Friday or something elsewhere as I don’t need the light right away super appreciate the heads up @cdues21
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