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I don't care about records. I care about money. I think I'm going to go with Specgradled. They have a vert8 and they will customize the spectrum since I have two rooms I want all blue spectrum in one and a mostly red spectrum in the other. The timber guys said they would mix the 3k and 1650k. If...

I'd like to average about 900umols per sq ft because I use C02

You know I've tried really hard to get fluence to answer my questions and they have ignored me. On IG. Pretty shitty costumer service to someone willing to drop 10k in your equipment. Timber has been amazing. I'm just not sure they are efficient enough to ever do 2 grams per watt.

No one likes an A-hole.

I'm not a diy kinda guy. Do you use Co2 I'm an avid believer it helps maximize your crop.

How long have you had that? Have you calculated grams per sq ft or per watt??? very interested in what you have to say very nice set up. I really like timber grow lights but as far as efficiency they aren't as nice as I thought. A Gavita double ended HPS is 1.7 so something at 2.7 would roughly...

I would say your Umols are too high for a seedling. Buy a par meter if you can afford it.

I also venture to say that if the Gavita 1650e will do a 5x5 the spydr2i will do everything that the Gavita will and probably a little more. Does anyone agree or disagree with that?

Also considering the spydrx for vegging not the one listed above but the 810 umols on their website of course I'd raise it to where it was in the 250-350 range and cover more sq ft.

If I could get 120 to 125 ft of flower space with the Gavita I'd definitely consider that. With 5 fixtures.

I was watching a grow on instagram and a guy cracked 2 I've heard that. Which is why I will most assuredly spend the money on a par meter and keep my youngins' at about 500 umols

Thank you for your warm welcome. I don't think 4 per light is possible either at this time. I do think 3 is reasonable if you are an excellent grower. Which I kinda do pride myself on being. I think 3.25 a fixture would be pressing the bounds of LED efficiency today. Even with coco and co2

I agree. I spoke with a Timber grow light rep today and they said they would blend me a 3k 1750k at a 2:1 ratio. I think for the price point and with co2 I think I can crack the 2 gram per watt ratio

I see the Gavita which is pretty much identical to the spydr2p and those are the most powerful per watt on your list so the 2i are even slightly better. My goal isn't to save money on my electric bill it's to try to hit that 15 unit mark

I was always an avid HPS guy. I was getting 3 units per 1kw HPS single ended when I stopped growing, using soil and co2. I've seen these crazy claims to LEDs getting 2 to 2.4 grams per watt. I've done a lot of research and see that it is indeed possible. I was going to run between 3000 to 3300...

Hey Dan. I can only use 4500 watts of electricity total and I need to absolutely maximize my yield. I am going to do a veg room and a flower room. I was thinking doing a fattyVS and a redwoodVs in veg at 4k and doing 5 of your redwood VS 1750k to maximize your yield per sq ft and or per watt...