Autos under metal halide ?

casperd

casperd

Well-Known Member
Just wanting to know if anyone has tried to grow autos under only mh light and there results.
 
Nutty sKunK

Nutty sKunK

Well-Known Member
casperd said:
Just wanting to know if anyone has tried to grow autos under only mh light and there results.
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I use to. 600w MH. Got the best growth rates of any light I’ve tried especially in veg.

Buds were respectably dense, not LED dense but good.

Got just over a lb from 4 autos under that light.

Ive heard that blue light spectrum helps terpene production. Always smelt amazing under the MH in flower
 
Psyphish

Psyphish

Well-Known Member
Nutty sKunK said:
I use to. 600w MH. Got the best growth rates of any light I’ve tried especially in veg.

Buds were respectably dense, not LED dense but good.

Got just over a lb from 4 autos under that light.

Ive heard that blue light spectrum helps terpene production. Always smelt amazing under the MH in flower
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The weed I grew under the old 400w ceramic metal halide bulbs by Philips was so much better than the LED stuff I grow now. But you can't beat LED efficiency when it comes to yields.
 
Nutty sKunK

Nutty sKunK

Well-Known Member
Psyphish said:
The weed I grew under the old 400w ceramic metal halide bulbs by Philips was so much better than the LED stuff I grow now. But you can't beat LED efficiency when it comes to yields.
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Absolutely! The next run I did with a gavita 1700e pro yielded 23ozs from 4 autos. First time having bud rot indoors as the buds were almost unnaturally dense?

Since I only grow for myself I’ve decided quality is better than quantity. And my LED decided to to break after 2 months of use lol

Also why I like the simplicity of HID lamps. Less to go wrong

Trying a DE 630w full spectrum CMH at the moment. Seems promising so far!DDEAD694-0A5E-4A09-A010-F754721EE0E7.jpeg
 
wil2279

wil2279

Well-Known Member
Nutty sKunK said:
Absolutely! The next run I did with a gavita 1700e pro yielded 23ozs from 4 autos. First time having bud rot indoors as the buds were almost unnaturally dense?

Since I only grow for myself I’ve decided quality is better than quantity. And my LED decided to to break after 2 months of use lol

Also why I like the simplicity of HID lamps. Less to go wrong

Trying a DE 630w full spectrum CMH at the moment. Seems promising so far!View attachment 5084134
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Wow gavita 1700 bar light. That's an expensive light to take a crap after 2 months! I'd be pissed and looking for a replacement or my money back!
 
Nutty sKunK

Nutty sKunK

Well-Known Member
wil2279 said:
Wow gavita 1700 bar light. That's an expensive light to take a crap after 2 months! I'd be pissed and looking for a replacement or my money back!
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Too right man. Was pissed off. Turns out the light was just too intense for my headroom and ability to heat the tent. I extract out the room and anything below 25-26c I started getting bad cal defs.

I swear you could hammer a nail in with some of the buds they were that dense lol
 
Milky Weed

Milky Weed

Well-Known Member
Nutty sKunK said:
Too right man. Was pissed off. Turns out the light was just too intense for my headroom and ability to heat the tent. I extract out the room and anything below 25-26c I started getting bad cal defs.

I swear you could hammer a nail in with some of the buds they were that dense lol
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Now its a gavita 850 :lol:

Jokes aside sorry for your loss.
 
VincenzioVonHook

VincenzioVonHook

Well-Known Member
Why would it being an autoflower have any effect when using a metal halide vs a photoperiod? It will respond to the spectrum just like any other plant would.

I swear some people think autoflowers are some strange mythical creature with some of the questions they ask.
 
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