Introducing CobKits.com - specializing in DIY and Citizen COBs

luminus cxm22 stock updated including 3000k and 3500k 90 cri back in stock

QBs up in next day or so

QB288 in 3000k and 4000k
QB304 in 3500k

QB's? Cool! Now we'll have two pages of "out of stock" notices............lol!

DesertHydro said:

1212's and cxm 22's still rocking it over here
View attachment 3984226 View attachment 3984227 View attachment 3984228

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Which are doing better?

I know these 1212s I just got are working great seam to be getting lil warmer then usual when I touch the heatsink but are doing great

gen 5 or 6 ?

trying to piece together my new build and just cant decide lol

cadkushfan said:

Which are doing better?

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didnt notice a difference between the two honestly. if im gonna run one per sq/ft and drive them soft i would go with the 1212. the cxm22 are more efficient at higher wattage. my light with 666W and 9 COB is made from cxm22s air cooled in an old xxxl magnum hood but i havent ran it yet.

a few more days till chop
last pic has about 4 weeks still
still diggin the COBs. there is definitely a small learning curve to them but honestly i think my media had more to do with my issues than anything. these fixtures are at about 600w and they are doing great as you can see. i cant wait to see what these can do with my new hydro system. i am expecting nothing short of greatness from them i will also be testing out a couple DE fixtures as well to see how they do.

now thats a scrog- great work man!

Yea now that is some growing for your.ass NICE GROW

Beautiful grow! thank i ordered the 1212s today cant wait to get my first build done

cadkushfan said:

gen 5 or 6 ?

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Mine are the cheap 9$-10$ ones 3000-4000 k mix 4 and 4 on each light I just chopped my wwxbb and Holly shit were the buds huge and dense from the first cob I built with the 4 Cree 3599Dbs and 4 citizen cob kit from.timber all on one frame and works.great

This is one.of.the buds from.my wwxbb and that's one of the smaller ones

thanks everyone. those are under 1212s. dont let the price fool you. if you space them properly and drive them correctly you will do well. dont worry about spending a ton of money on the big ones if the 1212s is all you can get. they work and i love them for the price. still playing with design configurations and spacing etc but im happy with the performance for sure

CobKits, been a year since I lurked here. I'm only a part timer 1/2 year due to heat. Great to see you plugging along, your site is much improved. Guess I'll be sending you some more cash. Well Done.

good to see you back! everything is a work in progress it seems

Doesn't look like COB technology has changed much since I bought the cxm22s a few months ago.

Lights are super bright.

Anyone have any suggestions for an additive that will bring up PH?
All my nutes bring my PH down to 5.8, and I want to counteract it with something besides PH Up.

5.8 is not awful

are you in soil or hydro?

CobKits said:

5.8 is not awful

are you in soil or hydro?

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Soil.

Leaves are turning yellow on the bottom. Still a small plant early in veg.

Fox Farm soil with pearlite. I just put in a little baking soda to bring it up to 6.3

Would like another nutrient to bring it up a tad

yellowing starting at the bottom is N deficiency or lockout

kaivorth said:

Soil.

Leaves are turning yellow on the bottom. Still a small plant early in veg.

Fox Farm soil with pearlite. I just put in a little baking soda to bring it up to 6.3

Would like another nutrient to bring it up a tad

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