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I love seeing innovations like this! great job man. If i tried something like this on a PrintRbot, it would be like a 16-20 hour print for all those pieces. big ups to ya.

g/sqft divided by g/w yields units of watts per sqft... how does that metric relate to efficiency. 30 g/ 1 sqft divided by 1.5 g/ 1 watt gives 20watts per square foot. i dont really follow. metrics that describe an "efficiency" of something are typically unit-less. to be expressed as a ratio.

I commend the guy, & I don't like hating on people just to be a dick. At the end of the day, he is an entrepreneur just like me or you (except with a weirder haircut and a puka necklace). he wants to make some cash in this LED game while the getting is good , since most consumers don't know...

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Guys, when you see these type of 60 degree reflectors, it tells you immediately what diodes are in it. These reflectors are meant to snap onto these kind of chips photo: courtesy of @Will Thayer If you know your led history, the active base heat slug style leds are old ass tech. pretty...

@sixstring2112 here u go my friend. this was last weeks @PSUAGRO. i know right, it scares me every time i hit my head on it while up on a ladder, lol. but 7000 cfm from 40w. thats hard to beat with all these passive sinks.

where my thread at? :joint::sleep::sleep::sleep: @hyroot ive always been a fan of yours. but now that im personally seeing the results of your recommended mix, ur my ninja. I love people that are really passionate about LEDs and LED growlights, even if they get really stoned and recommend T5s...

@bri77 it doesn't even have to be that elegant or pretty to be effective. Glue some stars to a piece of 1" square aluminum : low profile, low dissipation, highly effective.

AIRWALKER, I love you man. You are a passionate hobbiest & a supportive member, but sometimes your fingers hit that keyboard & diarrhea comes out. Fuck t5 or CFL for any purpose. (Unless you have to grow in your van down by the river). You can do way better with Cree xml2, xpg2 xpg3 or xpl...

here is an example of the kind of thing im talking about. When I ran it thru FlowPath waterjet software, slots vs holes saved me 4.5 mins of cut time or $9-12 in waterjet fees.

to see the purple that Cherry Cream Pie is capable of with fall/winter night time temperatures go to the 1:18 mark of this video video shot Feb 2016 at week 6 of flower, purple comes on pretty early, leaves were almost dark purple almost black by harvest time.

like you mentioned @Trippyness Ive been running Exotic's CCP for a while now. I have a purple pheno that manages to pump out some decent color despite these summer temperature differentials: 78F at night, 82F during lights on. I was obviously getting better color at the beginning of the year...

Bravo guys, MOD 420 looks amazing and fills a much needed niche that will help even more people discover that DIY led growing is where its at. Some notes on the design: -the vast majority of your production costs comes from Waterjet run time aka cut time. -everytime the waterjet machine has to...

I think you have a nice big unit there. And I think it looks really fucking cool.

I'm proud of all the people breaking the Cree vero mould. Innovation and exploring other products is very cool. Who has compelling grow results from Citizen? Where's the badass high quality high quantity cannabis grows using these 300-500w cobs.

I figure the cooling part alone: Flotech 3/4 hp pump 6.1a 230v 3hp chiller compressor. 16a / 230v 5080 watts at full bore. Granted, that is based on a guess that it is a reciprocal compressor. If it is a scroll compressor, I'm sure the actual draw over the course of a light cycle is half that.

Jeezus fcking christ people. 3 pages of pointless dribble and bickering and 29 fucking posts about the OPs motivation to get to what really matters. or used to matter in this sub forum. Cree is dropping a new 200w cob on us! this is a topic that used to excite some people and arouse some...

im using some of the Ledil RZ diffusers on 90deg Angelina. I saw about a 50-60 µmol reduction in the center hot spot and redistribution/diffusion of those photons out wider. ill let you guys know how this impacts my yield in about 2-3 weeks once that canopy10 run is complete.