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Glad someone understands the struggle... But At last... I have decided upon the vero29 due to price, efficiency, and a few grow logs that's showed there capabilities. But supra if I use the ballasts you suggested from ebay above how would I go about dimming the entire system at once? And...

I would love to get the Vero... But no one has a complete grow of them in action, and then I have to get diffusers because there too bright... I'm a bit stubborn because I've seen what the 3070s can do and now that the cxa2's may be released soon also... I really have no idea what to do.

Good lord my friend get a smaller pump, I have a 128gph I actually bottom feed the water in and have an oversized drain where I want my water line to stop and that flows back into my resaviour at the same rate it's being pumped in, I even get a nice waterfall effect into my resaviour to...

Airpump- outside, because the longer line allows the hot air to cool down on its way in Chiller- outside, thing literally blows hot air... Res- up to you, but I like mine outside, easier maintenence, adding nutes, etc. And where would I put a 45 gal drum in my tent lol. Honestly...

I'm a bit Confused but I will try to answer as best I can, what you call brain we call resaviour. As far as your chiller you will need a Constant current to flow through your resaviour as it takes time to bring that temp down. Pertaining to having three pumps?? You only need one and you...

impressive, especially teh buds way down at the bottom look like they are getting nice a fat too.

nice nice, keep up the good work. how much did you get outta this grow?

:bigjoint: why not give them a ring ring, and good luck with your lumitek, make sure to start a journal fo your grow. so we can all enjoy it with you!

VERY NICE!!! and i bet those LED's were very kind on your electric bill and heat. how many watts are you running them at?

Dude this is for diy if you need seeds use the good Old Google, I found 3 seed shops just in Leicester England.

:o 50% efficiency.... That's just crazy talk my friend.... Either way I have a friend whose gonna sell me some z2's for 25 a piece, soooo for that price that'll hold me Over and I can just be late to the party lol:bigjoint:

what dimmer are you guys using if any, the only onesi could find only went up to 24v which is no where even close to enough.

wait what?? new Veros and cxb's ?? do you have a link or more info??

Cooling won't be a problem as I am either going to stuff them all in my existing 1000w enclosed hood, or build a rectangular tube to run the lights from, from supra, he stated, 34% at 1.9(not 36), and if I keep them cooler a bit better Gonna order them today, can't wait to start this build.

I guess I am just being cheap but would I be safe to run some cxa3070's Z2's at 75w? I found a great deal on them and it would allow me to fill in my hydro system with 750w of goodness(15 Sq ft) (using only 10) from the cree PDF they ran theres at 1.9a X 38.5v = 73.15, given there max is 2.8A...

from what i have seen about a $20 dollar difference and you gain about 1300lm with the AB over Z4, when your buying 8-10 CObs...that adds up fast.

Hey how are you liking the Vero 29s at 4000k? Have you finished a whole cycle with them?

thanks so much for your reply!! as always you know whats up, but i was wondering about one last thing, you built a 200w cob with 2 cobs on a really long heat sink for someone before and i cant find the link, how was that wired up? what driver?

hey i saw you ordered a bunch of AB bin a while ago. are you still interested in selling some of them i need about 8 of your 3070 AB cob's