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Hey question to any of you in the know. Other than cleanliness is there any reason to avoid thermal paste? I wonder how this adhesive method compares to thermal paste in terms of efficiency. It'd be cool to see a comparison (if not done already) to see if there's any difference in temp...

Hi Vegas. Very good points! I ran two of these AC/DEs over 4 x 4 each and got great results. There are some cheaper options I've seen comparable par tests for on their blog (the Digilume I think costs about 250, but then you need an AC). I agree with you wholeheartedly that the DIY cob option is...

@Growmau5 Glad you can flip it that looks great. As for your other comment, no idea what you're talking about. I ran 8 x 8 rooms but now it's a smaller hobby space as my career keeps me pretty busy. I posted growershouse for bonhomie because he said he wanted to run HPS, and they actually do...

@bonhomie To cover a 4 x 4 at a reasonable price point using HPS I think the Sun Systems AC/DE reflector is the way to go. Also it is (somewhat) air cooled so you can run it without an AC. Growershouse stocks kits with a nice ballast and bulb. They also have a par test of the fixture and it...

That's an awesome amount of space!

That's a beautiful setup. Any worry of the rails blocking the COBs distribution pattern of light at all, though?

Yes I love the build. Do you mind sharing the construction details? Especially how you angle the COBs.... Pretty cool.

Nice buddy. I love your setup. Definitely keep us posted!

This would be great thanks!

Hey does anyone know how to use 8020 with this kit such that the COBs can be angled one way or another? Ie, you still screw into the 8020, but there would be some kind of hinge you'd use and then attach the COBs to the hinge. Suggestions much appreciated!

Cool! How do the COBs and the CMH bulb compare in your book? I'm curious how much more efficient in terms of PAR watts LEDs are compared to CMH.

It's also in AUD not USD, so take 25% off and that's the USD price. Also don't forget the promo code.

Hey any ideas on the efficiency of this driver as compared to a similar Meanwell?

Yeah okay so that's what I was going with for 3500k. Should be close enough..... still would love to have a nice quantum meter. :)

Cheers BuddyColas! I'll look through this....

Fair enough and thanks for the info. If you do find that convert I'd love to use it. I'm a hobbyist grower now (though ran about 80 sq ft before before). I probably gonna set up a little 2' x 4' space and was considering 2 of mau5's kits at Cutter but I'm wondering if 400w is overkill for...

Okay that's roughly what I was going with. Where did you get that factor by the way? If you're using someone's at home PAR readings as a baseline, unfortunately most of the cheaper meters have very shitty response curves that heavily attenuate the lower and upper range of the...

Have you considered blumats? Should make life easy wrt watering.

Finally, umm seeds and even clones now can be sent all over. It's the future bro.

Well this is a flame war waiting to happen...