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I have looked at that light and wondered if it would perform well. I am curious as well.

Much to my wife's dismay, I will be doing a bank transfer today after work. I went with enough cobs and pin heatsinks to run my two 4' by 4' tents separately. One tent will be getting 16 cobs powered by 1050ma. The other 4' by 4' tent will be getting 12 cobs powered by 1400ma. I also have a...

Hey Folks, Before I go sending my hard earned cash to China I want to verify that the Kingbrite that I have been in contact with is legit. Has anyone dealt with Vicky Song before? I see lots of references to Jerry. They gave me a quote and sent me an invoice. I am ready to order. Thanks in...

StandingRock can you give some more details on your watering system? Did you make a manifold? What size is your wave maker and pump. I would like to make a watering system this summer.

That makes sense. So what driver and how many do you recommend to run 16 cobs at 35 to 40 watts?

Yeah that does change things a bit. I can solder but would prefer not to. I have question about efficiency. I was looking at that hlg 480H-C-1400b and was wondering if using the 480H to power 8 cobs but dimmed down to 40 watts per cob has a negative or positive impact on the efficiency of the...

I did find a good temporary use for the cheesy cob led that was given to me by a friend. I will use it in my 2' by 2' by 3' clone tent until I get my two dimmable cobs in there. I might be able to use one cob in there. The cheapo cob led might be too hot and bright for my little clones. I am...

Can someone clarify the best way to select the driver for the cob application? I am still trying to wrap my mind around that part. I thought you took the cob volts that you want to use and multiply that by the driver ma to figure out what watts you can run your cobs at. Then you divide the...

So if I went with the 1050 ma driver that would be 36v * 1.05 amps = around 35 watts per cob. Does the first number on the M W driver indicate the watts that it can push? What would the efficiency change to? You respond quicker than I can ask stuff. I'm a slow typer. I am definitely a...

Thanks Sixstring. I was wondering why my math wasn't coming out right. 36 * 1.4 = 50.4 watts a cob. The 32v was a typo and it was confusing me. I want the best kelvin for my clones. If that is 4000k then that is what I will go with. Or should I just go with more 3500k for the clone booth? The...

Hello Farmers, I am ready to make my DIY Cree cob grow light(s). I have read through most of 24 pages of this awesome thread. I have two 4' by 4' grow tents and a small clone tent. I would like to use 12 CXB3590 3500k 32v cobs for each tent. I would like to use about 600 watts at the wall...

Hello Farmers, I guess this is just one of them lessons that a noob grower learns the hard way. I'm on my third grow in a row and I have had the normal issues but overall I have been pretty satisfied with my results. Every time I buy a bag of new soil or a used grow item from craigslist I...

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I did not use a second tier of netting in my 1st scrog. If I listen carefully enough I can hear large pretty buds falling over and getting bruised in my 5 foot tent. I am building up the energy and the buzz to go tie the fallen buds and the soon to fall buds to the tent ceiling. This will be...

Hello Farmers, This is my second scrog grow. My first one is about 4 weeks from finishing. I learned a lot from my first scrog. This round I'm using a 4 foot tent instead of my 5 foot tent. I think I will be able to reach the center easier. I have also started the LST and screen placing way...

Here are some week 5 pictures. The vertical height still hasn't became an issue. The buds are looking fat and heavy. The only problems that I am still battling are the yellowing of the fan leaves which has progressed and even the addition of nitrogen hasn't helped much. The second problem is the...

I have used roots organic buddha bloom for 2 runs now. My tap water after sitting for 24-48 hours has a pH of 7.8 to 8.0. So the buddha bloom gets my pH down to 6.0 to 6.5. I like that factor. The bud comes out sweet and pungent. My only complaint is that my fan leaves start to yellow at week 3...

Maybe my base bloom nutrient doesn't have enough nitrogen in it. I'm using Roots Organics Buddha Bloom. I am just about out. So I'm going to switch it up this week. Do I need to add nitrogen in small amounts up to certain week? Maybe taper off by decreasing grow nutes as I get to week 4 so...

I believe I lollipopped on the first week of flower. Your setup looks great. I think you flipped at a better time than I did. What strain are you running?