Lighting Cobshop.net info, questions and answers

[Bigcheif]

No one of the plugs is for a fan. You would have to make sure you cut the one that went to the board.
As the driver is 92v max you could run 2-36v cobs in series for a total of 43 watts or or 1-50v cob at 30 watts on each driver. I'd go with 4000k or 6500k if it's veg only.

yes for veg but maybe flower if need be. can you flower with 4000k.

 

[BigSm0]

View attachment 788960 thanks @BigSm0 . on the left is chemmdoggin by mephisto right is think different. there both the biggeat grown so far. ordered two more auto cobs today to complete my 3x3 . going to try to put 4 ladies with 4 cobs to see what i get both in quality and quantity. these cobs are rockin the tent.View attachment 788961 View attachment 788962 thanks again!

Wow those are big!! 2 cobs only?
I don't have to ship the 3500's, I have plenty of the 4000 and 6500 but I'm not sure how well these will flower. Completely up to you

 

[Bigcheif]

Wow those are big!! 2 cobs only?
I don't have to ship the 3500's, I have plenty of the 4000 and 6500 but I'm not sure how well these will flower. Completely up to you

yes olny 2 chem is 39 days think is 49.

 

[Big Sur Holy]

Do cobs take a lot more electricity than leds? Would love to order them, but my power bills are through the roof with leds.

 

[BigSm0]

Do cobs take a lot more electricity than leds? Would love to order them, but my power bills are through the roof with leds.

Most leds are inefficient. Efficiency is basically the amount of light you get from each watt of electricity. So if you have inefficient leds you would need more of them to equal the same amount of light as a more efficient light source like these citizen cobs.

These cobs and how they are powered have a much higher efficiency than the standard leds. In most cases it's more than double the light per watt. Meaning you can run less than 1/2 the wattage and achieve similar results. Also White lights whether it's cobs or leds are the only true full spectrum grow lights available. Red and blue alone are far from full spectrum. This will also help achieve better end results.

What are you using now for lights? The total wattage too? I know quite a few people that have these running and do not notice any difference in there electric bill at all.

 

[BigSm0]

half my lights went out so i thought i buy t5 dont really like it. i was sittong here reading the forum a ran a cross mars hack. when i changed lights.the photos didnt like it.View attachment 788964 its yellowing them bad. dont know why i didnt just talk to you first . hope it doesnt kill my mother.

The only thing I see with the cobs is people underestimate their real power. More power and the crazy calcium uptake. I haven't really talked about it much but I did the same when I first started with cobs. I cooked a 4x12 space of mature plants lol. I could park my hps much closer and figured half the wattage would react the same. It will take some getting used to.

 

[Evil-Mobo]

@BigSm0

I just wanted to add that with the Citizen Cob's and their spectrum the 4K is perfectly suitable for flower. I pieced parts together for a buddy on another forum and he is at almost a year with the 4K 1812's and loving life.

 

[BigSm0]

Thank you EM. I haven't completed a full flower with them yet so I didn't know if that small % of missing red would matter much.

 

[Evil-Mobo]

Thank you EM. I haven't completed a full flower with them yet so I didn't know if that small % of missing red would matter much.

It was parts I threw together with (4) 1812's in 4K and then I had to move and he needed a light so I gave it to him he just had to put it together. He's loving it over the older CXA 3070's he had in there. I'm walking him through growing a Narcotic Kush right now like the one I just finished under the COB's as well. He's stoked, I do not think the little less red matters as much as the added blue in the 4K, and with my background in HID's with more blue I thought it would work well and from what we have seen so far it works just fine.

These are the last two pics he sent me:

 

[DreadHeadiez]

A member on the board referred me to your products. How does the heat of these things compare to the Epistar variety of lights ? Is it a lot hotter ? What are do you reccomend for me ? Here are my specs.

4 feet wide
2 feet deep
4 feet high