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what do you guys think about the 4000K and 5000K cxa's ? Anyone uses them? I would like to use one of those to add to 2x 3000K . I know it would be the best to go 3x 3000K but i wanna try with anonther kelvin rating too

what do you guys think of the heatsink, of wich i posted a link on the bottom of previos page. it is rated at 60watts. would that be enough cooling, so i won't need a fan? The only thing i don't like is that the mount is enclosed by he heatsink and is quite deep. is this very bad for light spread?

i would go with the 3500K instead

aha then i should better get one 5000K and then 2x 3000K . Look at this nice heatsink i found at digikey: http://www.digikey.com/product-detail/en/NX300158/1061-1153-ND/4215390 . Only 13 bucks and has already tapered holes so just screw in the led :D but you have to buy extra fan i guess.

thanks for your info guys. the vero 29 at 30 bucks seems a very good deal. might go with 2x 3000k and 1x 2700k what do you think?

thans for your answer capt! i don't have any parts yet but i am researching to find the best setup for my box. So then 3 cobs or 150W will be still plenty for one plant in my space.

wow man the lsd is looking awesome, colas are just getting bigger and bigger.

i was thinking of driving them at 50w each (i think that is around 1.4A) for total of 200watts. I could go with 8 weeks veg, then 2 months flower. 4 months not so bad for me

that is true PF, but wouldn't veg time be much longer?

what do you guys think about 1x 5000k cxa3070 and 3x 3000k cxa3070 in a 2x2 tent over 2 or 3 scrogged plants. would around 200g be possible?

if you would like to harvest 120g you would need two of those leds. with 100W you shoud easily hit that

any update capt? would love to see those buds after anonther 5 days of swelling :)

this is an amazing grow capt! damm those buds are looking awesome for just 34 days.

thanks for your answer Cali. Then all i need is 4x cxa3070 :)

well then the best thing to do is to get 2 long heatsinks and run about 40-50w of cree xm-l 6500k on each one. And then add 3x 3000K cxa3070 for flowering.

thakns for your answer Supra. I have changed my mind to go with 2 55w 6500K pl-l for veg, then add one or two cob's, and then 4x cob for flo.

hey hockey. yeah the only way to get a nice spread would be to keep the 5000k higher and the 3000K's lower. I would like to have each cob on it's own heatsink w/fan. Anonther idea i had was to use 2 long heatsinks and use cold white xm-l2 for veg and then add the cxa3070 cobs for veg? what do...

hello guys! awesome grows going on here! well i have a 2x2 box and i would like to use 4x 3070's. i would run them at 1.4A for total of around 200w. i think that this would be more than enough. Should i go all 3000K or should i use one 5000k for veg and then and 3000K's one by one. So in flower...

very interesting grow you have there ;) i am also thinking about going cmh with my first grow and i also have the same space.. keep us updated

do you main-line for 16 colas? how much yield do you get off the 400w?