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    DiY LED - Cree CXA3070

    Sounds great ill put you on the list! Ill send a pm when they arrive!
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    DiY LED - Cree CXA3070

    I do not know if people are willing to hold off but I took the plunge today and ordered 100 3070 in 2700k color spectrum, Performance class Z2. They will ship within a month. Just getting the info out there
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    DiY LED - Cree CXA3070

    You have to be imaginative for the 2700k. for me I just shifted the graph over a little because I am mostly interested in the 630nm and 660nm being covered well.
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    DiY LED - Cree CXA3070

    Honestly if you space the cobs 12inches apart you can put a uvb CFL bulb right in the center and it will spread to every edge. No issues to date. Ill post pictures when I can. We need a general design thread.
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    DiY LED - Cree CXA3070

    I made a thread before I knew about not advertising in forums. I would love to get a group buy together on the 3070 2700k from arrow(we would have to buy 100). I would want 16 LED's for a 4x4 and I would offer my design and driver connection to the people involved. I think the 3070 is the best...
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    DiY LED - Cree CXA3070

    Can I ask who has them in stock??
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    4th Official Party Cup Grow off Update Thread

    Hey guys, Decided to drop the comp and transplant into bigger pots to see what these can really do! Ill be back next year!
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    DiY LED - Cree CXA3070

    Looking good! Those are untrained too! I might have to give it a try!
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    DiY LED - Cree CXA3070

    Let's see a picture of that! Do you have a thread? Supra how is the growth on your bud sites? Would you say your far enough along to tell if the 3000k gives the plant more leaf matter? I have design idea's for the 3070 I really want to get on but I am hesitant on the 3000k color temp.
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    DiY LED - Cree CXA3070

    I did. My method was ghetto because all I have is a an Infrared sensor I bought(Forgot they make oven thermometers...). I soldered some unstranded wire to a small piece of stranded to the COB and coiled the stranded wire to gather heat as it is copper it conducts heat easily and put my...
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    Seeking Help - Building Custom-Designed DIY LED Grow Lights using CREE CXA3070 COBs

    Agreed! Very excited to see the COBS on there own. Would you say with the cool and warm colors you get more leaf matter? Also what plants are you running? Indica/Sativa?
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    Sexing, then reveg question?

    Why don't you grow the plant out and take clones right before you put it in flower and if its male throw it all out? If female just keep flowering that and then you have clones to play with too!
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    DiY LED - Cree CXA3070

    What I love about the LED's is that the Vf is higher if it's cooler junction temp so you only need to worry about enough volts for the initial start!
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    DiY LED - Cree CXA3070

    pct.cree.com It is called a product characterization table and you can choose the LED you bought from out of the table. If you bought what supra has it would be the XLamp CXA3070 and the other dropdown should be Z2(Stands for which performance class it is in for calculating lumens). Also in the...
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    How does everyone secure Velcro to B/W Poly to make a door?

    I understand how I can use it for sealing. I basically have two rooms side by side with velcro in the middle and the doors slide sideways when I need in and velcro shut when I do not. I'm getting more velcro tomorrow
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    How does everyone secure Velcro to B/W Poly to make a door?

    I bought the velcro from lowes. Industrial strength. If that is what you are using? I might try to buy more if you do and cleaning it real good!
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    How does everyone secure Velcro to B/W Poly to make a door?

    How do you use the Gorilla tape to secure velcro exactly? The tape I used to seal the room sticky very well!
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    How does everyone secure Velcro to B/W Poly to make a door?

    Will try the zipper! just ordered the one on ebay thanks! Ill let you know how it goes!
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    How does everyone secure Velcro to B/W Poly to make a door?

    Hi, I bought the poly from HTG Supply 100'x10' roll. As states I am having a terribly hard time getting my Velcro to stick to the poly I have used as walls and a door. At first I let the glue on the back dry 24 hours before touching and as soon as I pulled back it came clean off the poly...
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    Cree CXA3050 100W Custom LED Grow Journal with Dinafem Blue Widow

    Loooove the results!! Great picture man!
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