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hello Friends......reading your posts about heat!...im thinking this might be a problem for me too very soon!...(hopefully its going to get warmer lol!).....I know this Q gets asked alot and i know which will run cooler...but my space is 80 x 80 x 1.6m...so is one 315w CMH Philips argo best or one COB from @BigSm0 best for me?....thanks guys:bow:
The only way you could run either of the two is with a lot of training. Cobs are powerful and directional. The 315 is more powerful but there are reflector losses and the light loses intensity by bouncing around the reflector too. One cob is still much less than the 315 as ppfd as goes. I can do a lower wattage cob if you are interested and if you ever want to increase the wattage you would just need to swap the cob itself. From 60 watts down to 40 watts. Hope this helps.
 
The only way you could run either of the two is with a lot of training. Cobs are powerful and directional. The 315 is more powerful but there are reflector losses and the light loses intensity by bouncing around the reflector too. One cob is still much less than the 315 as ppfd as goes. I can do a lower wattage cob if you are interested and if you ever want to increase the wattage you would just need to swap the cob itself. From 60 watts down to 40 watts. Hope this helps.
Hello @BigSm0 .......thanks for the answer dude...like i said earlier, all i read is good about you and cobshop.....so if my current light(315wcmh)runs too hot this summer......i will msg you for some advice on what can be done....again, thanks dude...:astar:Top man
 
Hello @BigSm0 .......thanks for the answer dude...like i said earlier, all i read is good about you and cobshop.....so if my current light(315wcmh)runs too hot this summer......i will msg you for some advice on what can be done....again, thanks dude...:astar:Top man

Always around to help. You will be pumping around 1500btu of heat with the cmh. To match that light output you would be around 1000btu of heat with cobs.
 
Always around to help. You will be pumping around 1500btu of heat with the cmh. To match that light output you would be around 1000btu of heat with cobs.
just out of interest dude......how many of your cobs would match a 315w cmh? please
 
I'll catch everyone later on, I'm gonna go stretch out and maybe take a nap as all the trimming has done me in.

That’s to funny! Luckily I had help but i just wrapped up the last bit of trimming myself about 30 minutes ago. My buddy and I did between 3-4 lbs today.
 
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