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Understand what you are saying but many of us are yielding well over 1gpw even with low yielding strains with COBs. Even a low yielding strain should yield about a pound in a sq meter. roughly 11 sq ft = a sq. meter so in a 4x4 there should be no reason not to get a pound provided that your...

If you used HPS is sounds pretty decent. LED, not so much.

Why? Because it is inaccurate? Because GPW has too many variables?

Because KWH are tough to calculate..... While I do not know off hand, would take me all of 10 seconds to figure it out.

There are efficient 5w LED actually.....

I agree that most of us can improve. I dont run CO2 so I know there is room for improvement. All I am saying is strain matters MUCH more than people think. There are high yielding strains out there that can push 800+ G/M2 and then theres some that only throw down 3-400 G/M2. Thats less than...

Consumes 136w and compares to a 250w HPS..... Well, it CONSUMES 136w but is MAYBE 110w at the wall (after loss/fans). So that means its twice as efficient as HPS. Sorry to break it to you but that light is NOT 60%+ efficient. You would be lucky if that piece of shit VIPAR (or any of them) is...

Here we are 13 posts deep and everyone is talking about PPFD and wattage. Bigger than your light source is your plant genetics. Every plant is different and each pheno is different. Under a 600w CXB3590 setup in a 4x4 area, I grew 1.2GPW total (not including microbuds garbage pile, and fully...

Everyone has different experiences and environments when too much light is present. From setups, to types of plants, to ventilation and humidity levels. Some people say that minimum of 24" is a must with LED, while some people like me have found that 8" is from the tops is not too far (I...

800-1200 is optimal. 600-800 will produce good yields still and good product. Above 1200 is nearly a waste of resources. I am currently running my lowest PPFD which is right about 800 before loss. Ive used 1000 and 900 before loss previously and both yielded 1.2g. I am not running all high...

Just imagine if the plant didnt have to put all that energy into growing it all back. There is a time for defoliation.... Another thread though.

Hell, I forgot that I even called him out in that thread..... Seems even forgetting completely about it my stance hasnt changed. Funny how that works..... And then we have a mysterious new user to the thread shilling the company.

Everyone hates on the Jerry club these days, but Jerry did more for us than anyone has so far as far as sourcing parts at a good price :) Although Cutter is helping the process along now as well. Dont let these pre-built fixture makers fool you, they are not using any "special" components that...

Usually when people have a tough time "figuring out" font sizing, they have a need for pre-built fixtures and pre-made lighting kits :)

Few weeks and $60 shipping? Jerry will ship you a new driver immediately and will cover the shipping if you have a bad part. Its hilarious to me that many of these "light builders" (not saying Timber specifically) talk shit on Jerry but at one time, many of them sourced their parts from...

Where do you think these companies are sourcing the parts??? Where do you think their money is going??? Do you really believe they are getting their COBS and MW drivers from America? Do you believe their heatsinks are machined here in America? HeatsinkUSA does not even extrude their...

No trolling here, just being real. Dan opened the subject for discussion and thats where it went :) Onward and forward. How about some porn to lighten the mood? :D

Jerry has cobs @ $35 I believe. Drivers at $42? For 1 driver, 4 cobs, thats only $182+$60 ship to US. $242 for drivers/cobs. The rest of the stuff wont cost you $158 I can assure you :) Also, it gets cheaper the more you purchase due to cheaper shipping costs. $60 will be the same for 1 or...

Errr, typo I meant 2 hours sorry. Does not take long to put a light together we both know that, especially when it has a pre-made case. I can build a 12 light system in 3-4 hours cutting all the aluminum angle myself, mounting cobs to heatsinks, wiring everything up and thats without all the...

No offense, but since you decided to bring it up, I will comment. You sell your 200w 2 COB light for $550 shipped. I can source all the same parts SHIPPED to me for $250 and I do not buy in bulk. Now, you have build time and you ship for free plus you must warranty all your work. But...