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Either way it means that 90-99% of the energy expended by the lighting system ends up having to be removed as heat by the HVAC system. Regardless of the source. Adding more light to the pile doesn't mean that it's necessarily absorbed.

It'll be exciting to see how they produce.

The amount of energy that goes into fixing carbon chains is minuscule compared to the amount of 'waste' from the biological functions. The vast majority of the power radiated as light get's turned into heat as it goes through the electron transport chain. If it's not wasted outright as it...

Let's try this again

Getting the spacing right between emitters would be the real trick. I would think that, ideally, one would want the intense 'side' light from such an emitter to land in the weaker 'center' of the emitters surrounding it and vice versa.

Well a 4x6' canopy could also be considered three, 2x4' canopies :P

Looks legit. Hurry up and hang that bad boy!

Realistically though, if it works in a 2x4 it'll work in a 2x3. Most fixtures aren't over 3' long. Good luck @Rahz , hopefully I'll be ready to launch soon as well.

I've always wanted to try one of those screens out. They seem like they would be a bit more handy with smaller plants than home made PVC screens.

I'm all for DIY, but not everyone knows how to run a tig with aluminum, let alone with the coordination to make it look pretty. That's pretty intense compared to the rest of the skills required for DIY lamps.

Welcome back champ! Looks like things are going well. I don't understand why you guy's consider this place a craphole.... it's much nicer here than other places on the interwebs.

There is no 'best' led system on the market. They all do something a bit differently based on your setup. The best emitters for horticulture purposes would be the CREE CXB line and the bridgelux vero line of cobs. Choose a company that makes use of these emitters and you won't be disappointed...

I'm waiting for my heatsink to get here. I've got 8, 36v 3590's and an HLG-185H-C700B to play with ;). 186 watts of high efficiency photon discharge with no moving parts. Aiming for 700+ppfd in a gorilla tent.

You can send it to me for proper disposal. My aero garden could use an upgrade.

My beans have been above ground since the 26th. I put them in their petri dish on the 24th. I have just been dragging my feet, my apologies folks. It was my intention to post yesterday but things got away from me. =|

It would be interesting to see a 20 gallon no-till pot on one of those. I wonder how well it would work compared to just a no till pot on its own.

Greengenes707 did a run with the blumat. I'd say you probably couldn't go wrong with either. I may have to try making one to experiment with. Seems pretty simple in principle.

Very interesting system. Expensive, but obviously it works well. Thanks for making me aware of them, nice job the girls look fantastic.:bigjoint: :clap:

sorry to hear that. Hope you can get things figured out.

Definitely worth checking out.