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i honestly dont think this is an overall improvment as far as spectrum goes, imo its still got far too much blue for a flower spectrum, sure its slightly broader with the double pump 435nm,evo + 450nm,301b but the addition of the evo diodes pulls the whole spectrum down towards the blue end, you...

99% of all led spectrums are a compromise because manufacturers are too busy chasing efficiency to care about spectrum. most "led" veg spectrums are terrible, they contain far too much blue all centered around the 450nm pump. most led "flower" spectrums arnt great because they contain too much...

the chilled X1 uses two of the most efficient diodes you can buy today but at full power @160w in the X1 configuration it is running them pretty hard as you can see in the specification - Full System Efficacy: 3.06 μmole/J – 2.55 μmole/J. compare that to the chilled X3 which uses the same...

what "K" are the t5 you are wanting to replace? 99% of all led lights on sale today have more than enough blue light in their spectrums for vegative growth. take what led growlight manufacturers say about "flower" and "veg" spectrums with a huge pinch of salt...

you made it clear enough, some people just like to be obtuse... any more info on the new spectrum with the new nichia diodes you are working on that you mentioned in the now deleted "blurple" thread?.

yer man, no wonder your yeld went up when you switched to led. them 1000watt bulbs should be changed more often than every 30 years... :wink:

ok...time out, lets reset. do you honestly want to have good faith conversation on the bennefits and downsides of hps vs led spectrum?. if you do please explain a bit more about the differences you see/taste/feel in the size, the smells(terps), the structure, the growth rates, the color...

dude! i can totally accept some people like hps buds better, good luck to them!. dude!! what does that even mean?. dude!!! people are free to prefer what they want i dont want a say in their opinion, if they like bluple weed best have it, why would that bother me?. but i can certainly have...

on which page of the 6 (or 5) are you reading that? i cant see anyone saying current led spectrums are all they should want?. you make it sound like the op asked a question and everyone rounded on him and tried to shut him down?, no one did anything of the sort. hps does grow great cannabis...

more efficient.

in general 1% is too low it was more to show just how controllable EC fans are. 1% might be ok for cuttings as you want the extra humidity and dont really need a load of co2, 5% might be ok for early veg with a little less humidity and a bit more co2. then onto maybe 10-15% for mid veg ect...

if you use an "EC" fan and appropriate controller you can run as slow as 1%.

97oz from 3000watts is less than 1 gram a watt.

i dont see how the suns output is relevant to indoor growing?, are you suggesting that the only reason people indoors are not running 100w sq/ft @ 2500+ppfd is because they have not got enough air flow???. sealed room with high co2 enrichment is the only way to use high light levels ie 1500ppm...

good for you, you are obviously quite experienced with this plant if you have been growing since the 70's however most people who are asking questions on forums are not. the scorpion diablo is 2.97 and the new diablo x is 3.06. so between 17.5-18% more efficient, so from 40w its 7.8w or 32.2w...

40.3watt sq/ft is overkill for the very best lights lights available today. hlg make lights that exede 3.0 umol/j, the gavita you mention is old now at around 2.6umol/j. hlgs best are around 15 to 20% more efficient than the old gavitas. unless you are on top of your game and really pushing...

id say its a better spectrum for both veg and flower compared to the old diablo boards. the new diablo x has a lot better R:G:B ratios whilst still keeping the efficiency over 3 umol/j.

looks like a mix of 301h evo mint and 301h 4000k for the whites

wired in series with a constant current driver the voltages wont be an issue. how many diodes are you wanting ro run?, and why only 350ma max?.

:mrgreen: