Thanks SP
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Hello BFarmer! So 900W for 4x4 is, well that 56W of COB light per square foot. That's so close to the optimal 60W of HPS per sq foot (1000W HPS bulb). But the COBs at 50W are close to 170lm/W. There are 600W lights out there that beat 1150W Gavita any day. Plus you are gonna get buds deeper in the canopy. People claim 1,8g per Watt with COBs. And I think you can get to 1,2 with good bulb, but then the bulb is good for like 2 years. I think 600W is golden for 4x4 and you can always add some side panels, to really get the light everywhere Sunbath
S2:E2 MASSIVE harvest from Cree cxb3590 diy led grow. - YouTube
And he did not use any UVB which could increase the trichome size if enough was used imo. But that's for someone else to decide. Note that he was using 32 chips so that is 26W per chip, which is very very efficient.
T your the man! Thank you so much! The plan is to put 600w and add 200 more later on. That should allow me to get cobs in there sooner rather then later.
I would die if I pulled 2 pounds from the 4x4 tent! Every grow seems to put on a little more weight then last so that would be really exciting when I get full power in there. Thanks for sharing the video! I'll definitely be saving up for cobs and the uvb bulb might be put in sooner then later.
That uvb sounds like it will work really well in late flower.
Glad I could help man. If anyone can pull out 2 pounds from 4x4 it is you. If you get your veg right, and you do what you do, with a good strains I think you are good to go. If not, then you got a nice goal. But my guess is that more plants is needed if you want to keep the veg time and pot size down. The UVB is nice addition, but you can get sunburns, also so be careful with your eyes. Cheers!
I agree. More and bigger trichs for about $40? Yes sir! I'll take it.
Hey T do you have a lead on a good uvb fixture and what brand of bulb is suggested? How long do those uvb last for?
Some 10.0 which is strongest. I do not have any T5 experience whatsoever, I have replaced a tube few times, but it was not mine And around year, I think, depending how much you shine. My guess is also that when you got some good air movement around it, it should last longer because it runs cooler. Also, have you seen venturi air injection system in action, for tons of small bubbles for reservoirs? No need for airpump and hard to clog.
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And then you'll want 3 lbs. ? LOL !!T your the man! Thank you so much! The plan is to put 600w and add 200 more later on. That should allow me to get cobs in there sooner rather then later.
I would die if I pulled 2 pounds from the 4x4 tent! Every grow seems to put on a little more weight then last so that would be really exciting when I get full power in there. Thanks for sharing the video! I'll definitely be saving up for cobs and the uvb bulb might be put in sooner then later.
No kidding lmaoThats a crazy a crazy amount of oxygen lol