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Shall I Swap To 600w middle of grow Rate Topic: -----

#1 User is offline   jimb 

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Posted 20 August 2006 - 10:06 AM

do you guys think it would be ok to change my light to a 600w in the middle of a grow as i have just got the ballast and now all i need is a bulb.will it freak the plants out or will they love it
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#2 User is offline   oldfart 

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Posted 20 August 2006 - 10:09 AM

not a problem, if plants were outside, the the hottest sunny days produce more grow, will need more feeding...
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#3 User is offline   SirBob 

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Posted 20 August 2006 - 10:32 AM

by all means do, but remember that a 600w hps will kick out a lot of heat, so make sure your ventilation is up to it and keep the light around 18 inches from the tops of the plants.

I tried upgrading from a 400w to a 600w digital, and found the temps skyrocketing into th 38-40 zone :rofl:

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#4 User is offline   Pacaman 

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Posted 20 August 2006 - 10:46 AM

So long as you have the ventilation capacity to cope with the additional heat output of the 600, I'd say go for it.
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#5 User is offline   DDB 

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Posted 21 August 2006 - 10:00 PM

The more light the better, run'em both :soap:
DDB
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#6 User is offline   Chris P 

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Posted 21 August 2006 - 10:09 PM

View PostDDB, on Aug 21 2006, 11:29 PM, said:

The more light the better, run'em both :soap:
DDB

Now thats the spirit, HPS & MH :soap:
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#7 User is offline   cyclops 

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Posted 22 August 2006 - 08:40 AM

had my first grow in a plastic greenhouse and a hell of a job keeping the haet down with a 400w and a 200w flouro kept going up to 35/40 c not the 28c I wanted. In the box room now converted, same extractor bigger space and temp staying at 25/30c. So put in a 600w lamp and the 400w and temps got to a smooth 28c.

As to wether the plants like it I have problems there of a different nature.
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