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The DrySiftWizard "10 second sift." I believe Bubbleman dubbed it "the two screen trick;" or some shit like that.

D_Urbmon, let me clarify. Since we're trying to purify the already extracted trichome heads (from grinder), we need to get this dirty sift to fall through the first screen. I'm guessing a few swipes with a card would push most of this material down and the process would work as usual. Perhaps...

Texas, how well does this tek work to clean up grinder sift? Do you gently card the sift/kief over your top screen and follow the same process outlined by DSW?

Ahhhh yes, Matt Rize... You mean I can't call myself an extraction "artist" too? But I can mix a bucket of ice water and cannabis for x amount of minutes and get melty goodness!!! Hmmm... must be rocket science.

Stickies aren't dogma, stop treating them as such. They provide a solid guideline, and that's about it. Every grower's environment is different. Many variables dictate how and for how long the final product should be dried/cured. Any "sticky" that prescribes rigid numbers fails to take these...

Take the best of both worlds - buy the BMO SPT and use it in conjunction with a well amended soil mix. Remember, all the amendments in the world don't mean shit, if you don't provide the mix with a VIABLE/QUALITY compost and/or EWC - the workhorse of your mix that makes all the "magic" happen...

Cheers, thanks for the info man, much appreciated!

They look great, this should be fun to watch. I have a similar pre-drilled heatsink from RapidLED. I wanted to build a 3070, but I really want to avoid drilling/tapping. Does the ideal holder screw right in to the existing holes on the heatsink? What kind of screws did you use to mount the cob...

How well did the #4 self tapping screws work for you GroErr?

PICO, IMO if one is growing hydroponically, that is, using mineral salts to fertilize, RO water is the best option. Keep it simple and they'll thrive.

Keep in mind that most water suppliers are switching over to chloramine to disinfect the water. Unlike chlorine, chloramine does not dissipate from the water, no matter how long you bubble it/let it sit out.

At what amperage are you making these calculations?

tags, how did you come to the conclusion that the xt-e produces more lm/w than a COB (for example a Bridgelux Vero or Cree CXA). I'm not quite sure about the CXA series but the VERO destroys xt-e as far as efficiency. I'm almost certain the CREE CXA does too. Are you looking at some datasheet...

lax, I have and they produce a good end product, not great by any means. I hope that comment doesn't offend anyone, because that is not my intention here. I still firmly believe white light is superior - better structured plants, frost, etc. Too many variables in each person's garden to sit...

OP, save the colorful lights for Christmas. Go with the Bridgelux VERO or CREE CXA COBs. A BALANCED spectrum (say 4k) from start to finish will give you outstanding results. Just have a look at PICO's or bbspills' threads. PICO, not sure about comparison grows, however, the only grows using...

PICO, those buds are barely forming. As the weeks go by they'll fill in and start swelling nicely for ya. They look like they're right on track for 3 weeks. Man, that last pic of the cab looks crazy, those LEDs sure do pack-a-punch.

Sounds like a plan. Thanks for your help man, it's much appreciated.

I really think one Vero 29 is more than enough for my tiny tiny space - 1x1 lol. Driven at 2.1A I'm getting about 9-10k lm/sq.ft. which is probably overkill, but I can live with that. As far as spectrum, the 4k 80CRI looks ideal, would like to hear your thoughts on this. Budget for driver is...

Thanks for the tip PICO, that heatsink looks beefy. The price isn't so bad, considering I don't have to go out and buy drill bits/taps (and probably some more taps after I break a few inside the heatsink). You think I should add a 80mm fan on top of that for some additional cooling or will...

Looking great PICO - looks like it's about to snow in there. Quick question about mounting the VERO29 to a heatsink. My plan is to purchase a hefty CPU heatsink/fan cooler type deal (CM Hyper212) and use some Arctic thermal adhesive to mount the LED. Really don't want to mess around with...