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ya wtf guys....calling OP's prerogative here. plz dont shit up "my" thread with a flamewar.

just a couple of things... Blue =/= Ultraviolet-B UVB leds cost many thousands of dollars each. Back to topic, while I am always excited to see watercooled LED, i have _never_ seen one reach completion here - either because they dont bother or because they realise that air cooling is...

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he didnt mean it to be directed at you Also while XT-Es are wicked and make up half of my array, i wouldnt say they were the exclusive "best"... OSLON SSL whites for example also have really good spectral distribution (like XTE but a few nm towards red) and iirc same radiometric efficiency...

Personally I aim for ~55w per sq. foot

350ma is overkill, running them at 700ma is a good compromise between cost of diodes and efficiency.

+1 for jimjim's suggestion, fully support warm white XTE + deepred combo for microgrows where distance to light is an issue. With LEDs it tends to be the monochromatic blue LEDs that cause burning/bleaching, especially when combined with narrow angle lenses. This is presumably because short...

hi, just dropping by to help with one of your questions. you can get the sunrise and sunset (and so the dayllight hours) from lots of services on the net, here is one set for Nicaragua (coz thats where that other guy said he was). You can change it obviously and go forward to check it. Good...

the expensive companies tend to keep their reputation by being USA/europe made with good components. The problem with the "chinese have to protect their reputation too" argument is that one of the biggest camps of LED panel buyers, especially those considering the budget end of the range, are...

Good call CaliJoe +rep 8)

Any driver with correct output current and a max voltage that is higher than what you are using will work, post a closeup of the label or the specs to know the amperage and we can help you find a suitable driver. Main concern will be that it fits neatly in the case, or you could go crazy and...

"Chips on board", its just a multichip on a flat pcb :) Hello everyone by the way, haven't forgot about ya :D just hyper busy at the moment. Grow got aborted by the heatwave while i was away for a couple days. so sad as it was about 2 and a half weeks before ready. :( Peace :bigjoint:

LOOOOL mate you must have the fattest garden in Essex hahaha. Good job bruv

why cant you just grow outdoors??

^^^ These "led speciality" shops always sooo expensive for components.. www.mouser.com www.cutter.com.au http://uk.farnell.com http://uk.rs-online.com/ also 2.60 for XPG isnt THAT good a deal IIRC...

hydro 1st grow, i dunno why peeps do this to themselves :D

Just found a single seed in my jar of big bang :? I'm running Ace Of Spades from TGA next. Tried to run a single plant of it in my current run but it was a male :(

Those look terrible, avoid

Starred those i would go to first on the list, also here's my prefs, I think exactly what youre after. http://www.mouser.com http://www.cutter.com.au http://uk.rs-online.com/web/

Yeah, sorry what i meant was that you still wouldn't have 12 hours dark, but then i remembered not everyone lives at the same Long as me for starters. :dunce: