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  1. stemkey

    DiY LEDs - How to Power Them

    What if you put 36v into the DC-DC power boost, would that be more efficient?
  2. stemkey

    DiY LED Grow Lights with CREE CXA3070 COBs and CPU Coolers

    I know what you're saying. The easy route would be the 10.0 reptile uvbs for 5 hours in the middle of lights on in flower for guaranteed increased potency but thats not a diy led lol. Maybe adding a few low w 280nm chips to run with the other cobs or a couple 20-30w 280nm that run a few hours in...
  3. stemkey

    DiY LED Grow Lights with CREE CXA3070 COBs and CPU Coolers

    Idk but reading this I want closer to 280...(c)Cannabinoid pathway: Anywhere in this pathway UVB does a better job than UVA in energizing a phytochemical reaction that will produce more fully realized THC because "all cannabinolic compounds show an absorption maximum between 270 and 280 nm in...
  4. stemkey

    DiY LED Grow Lights with CREE CXA3070 COBs and CPU Coolers

    Thats what im realizing^ Issue- what rate the lm output starts to decrease? The crees lose little over their lifespan, but how quick do the cheap cobs start to fizzle>? +What about a good uvb 280nm cob?bongsmilie
  5. stemkey

    Silica and cannabis

    This thread could use this... An Element Too Good to Pass Up: The Benefits of Silicon July 2013 Written by David Kessler An Element Too Good to Pass Up: The Benefits of Silicon All-miracle cures for the garden are snake oils, right? Well, what if we were to tell you that one of those...
  6. stemkey

    600 Watt Cool Tube/ 2'x3'x5' Tent/ Kush & Cheese - GreenhouseSeeds

    Well it would make your tent a lot bigger getting that box out of there. :arrow:Running the air through the tube out to the fan and yes the filter will be beneficial. Frees up canopy area for that 600 to shine on and lowers the temps. It's the only way with the space and equipment to remove the...
  7. stemkey

    600 Watt Cool Tube/ 2'x3'x5' Tent/ Kush & Cheese - GreenhouseSeeds

    :idea: I think you would be better off getting a larger tent for flower. A 4 x 4 on ebay is like $98. But if you do flower in your current set up move the fan and filter outside the tent to pull air out from up higher, because hotter ambient air accumulates at the top of a tent. Right now you...
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