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If you look at ppf to lux conversion charts, 1000 ppf converts to about 82,000 lux for hps. 200,000 lux (under hps) would be 2440 ppf. COBs, having a wider spectrum, would measure much higher, probably similar to cmh - 200,000 lux of cmh would be 3000-3500 ppf (depending on cri & color...

You're officially my new hero.

This guy is in the UK: http://www.ebay.co.uk/itm/Aluminum-Heatsink-Cooling-for-LED-Power-Memory-Chip-IC-Transistor-various-length-/131535356625

A year ago this would have been impossible with cobs, but costs have come down dramatically. There are several ways you could replace a 600w hps, depending on how much diy you'd be comfortable with. If the answer to that is "as little as possible", then the CLU058-1825 Active Light Engine...

lol, lost a couple off 1 reflector and used old-fashioned coat-hangar wire to make a couple. That stuff will hold a lot.

Nice and lush! A bit cramped maybe? If I was air, I wouldn't know where to go :)

Here is what the plant absorbs (PAR): Here is a lumen (the light that humans see the best): Here is what a COB led will emit:

You teased us with a picture a few days back, any idea when we'll be seeing them onsite?

Here is the identical panel from another vendor who gives its actual wattage draw at the wall: https://www.amazon.com/CrxSunny-Specturm-Greenhouse-Hydroponic-Flowering/dp/B01D8DJ1IC/ref=pd_sim_86_4?_encoding=UTF8&psc=1&refRID=2D124JJY4FBG9HDE51G3 "Energy saving, just consumes about 210W power"...

Here's a big thread with a lot of passionate discussion on each side of this argument: https://www.rollitup.org/t/why-do-some-guys-wats-to-still-use-mono-led-with-cobs.889223/ After reading all this you may not want any more replies Be careful what you wish for :)

Or if you downsize you can still run all 4 but dim them down and get pretty much the same gain in efficiency

maybe this will help: Bears Beets Battlestar Galactica

Those are constant voltage drivers. So whether you run 1 or more cobs, they will automatically be at the right voltage for those cobs. The more cobs you run the less watts each one gets and the more efficient it becomes. So start with one cob per driver now, then add another later to be more...

Th There's a video, I think somewhere in the middle of the "post your diy pics" thread, where someone uses square aluminum pipes and mounts cobs directly to that, and using 55 gallon drums to cool the water. It was a fairly big system iirc. edit- not the same as the above post^^, These were...

jUST aBOUT tHE oNLY tHING i'VE eVER rEAD bY yOU tHAT i cAN aGREE wITH. yOU nEVER cOME iNTO oTHER pEOPLE'S tHREADS tO hELP tHEM, jUST tO sTIR uP sHIT wITH oTHER mEMBERS. wHY dO yOU eVEN bOTHER? nOTICE hOW nOBODY lIKES yOUR bITCHY pOSTS? wHY dO yOU tHINK tHAT iS? aND wHY dO yOU eND yOUR pOSTS...

Cant get much simpler than this

And make sure you use a shit-ton of capital letters lol

Hey bro, I think you 2 guys were just talking past each other. You didn't realize this actually wasn't gg's thread (understandable, since it is called pacific light concepts :) ) He was pointing that out by showing you the OP's Instagram acct where he is more active (and yes OP stands for...

Angrygene makes me sad :( I wish there was more Happygene in the world....