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1k HPS users...

jammie

ganjatologist
Veteran
this should help. as always with any new or different bulb- start high, don't fry.
 

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intotheunknown

Active member
Veteran
im not too worried about the lumen output, however thats a good little tool to have there, thanks.
im more so worried as to how close some of you can get it without heat issues, how close and what kind of temps do you see?
 

redspaghetti

love machine
ICMag Donor
Veteran
The closet plant to my 1k is about 16 -18 inches
The furthest is about 3 inches,
i dont have a hood i use vertical

and that chart above is very helpful
hope that help
cheers,
red.
 

GeorgeSmiley

Remembers
Veteran
18-24 seems to be the magic number. I was wondering why my leaves were taco'd and noticed I forgot to raise the light. 15 inchs wasn't great, then raised the lights up and they flattened out......
 

High Country

Give me a Kenworth truck, an 18 speed box and I'll
Veteran
Air cooled or not? I have a non cooled 1000W lamp about 20" from the tops with an oscillating fan. Temps are fine, about 24C-75F.

Mind you it's winter here and in a cold room. Might be a different story in summer.
 

Dorje113

Member
Air cooled or not? I have a non cooled 1000W lamp about 20" from the tops with an oscillating fan. Temps are fine, about 24C-75F.

Mind you it's winter here and in a cold room. Might be a different story in summer.

yes, air cooled.

The combination of air cooling and the super spreader allows you to lower the hood more than normal (~18").
 

GreenGold420

New member
Ive got leaves touching the glass in my hood so 0" :p they arent burning or bleaching a bit. You see a huge difference when you can get the light that low.
 

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