Distance from plant to hps

[stoned88911]

Ok ive seen some post on this but there all so different

I have a 400watt hps with 430 ago bulb, the room is a 3X4 and about 7 feet tall

What distance should my lamp be from the plants, ive herd 12 inches then 16 then i herd 24 inches, then i herd 24 is to far an and 12 is 2 close, WHAT IS CORRECT :wtf:

I had fluros up till today and my temp was like 76, my hps is 2 feet away been on for 10 mins and temp just hit 80 and rising.

stoned88911 Reviewed by stoned88911 on 10-22-2008. Distance from plant to hps Ok ive seen some post on this but there all so different I have a 400watt hps with 430 ago bulb, the room is a 3X4 and about 7 feet tall What distance should my lamp be from the plants, ive herd 12 inches then 16 then i herd 24 inches, then i herd 24 is to far an and 12 is 2 close, WHAT IS CORRECT :wtf: I had fluros up till today and my temp was like 76, my hps is 2 feet away been on for 10 mins and temp just hit 80 and rising. Rating: 5