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 Lucas
Registered: 01/18/09
Posts: 80
Loc: Michigan
Last seen: 15 years, 9 months
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 Light help? 
#190674 - 01/30/09 05:09 AM (15 years, 9 months ago) |
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What would light system would you guys recommend for a two plant closet grow, I only want one light so recommend one thatll be good all around from seed to smoke.
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It's called 'Moonajuana', shiz will fluff you up!
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Annom
Registered: 04/20/08
Posts: 316
Loc: Europe
Last seen: 8 years, 10 months
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Re: Light help? [Re: Lucas]
#190701 - 01/30/09 07:36 AM (15 years, 9 months ago) |
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What is the size of the closet? The number of plants doesn't really tell anything because you can grow them very large before you flower them.
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 mhbound
Ballin out at all cost
Registered: 09/22/08
Posts: 8,144
Loc: High 
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Re: Light help? [Re: Annom]
#190704 - 01/30/09 08:25 AM (15 years, 9 months ago) |
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If you want to deal with the heat then get like a 250 watt hps/mh interchangeable...If you don't then get a CFL lamp with a reflector you can find them for 100 dollars or so and you won't have the heat to deal with. You can get them that have 2-3 CFL lights in them...So, it would be like 200-300 watts.
In the end you will not yield QUITE as much but it would do fine. If you get the hps/mh expect to spend money on fans(quite expensive)...Running the duct work which isn't very difficult. It's just some extra things. But if you want to go ahead and do it right then I suggest getting the hps/mh. You will want one eventually so why not now?
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Suck my balls America
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Annom
Registered: 04/20/08
Posts: 316
Loc: Europe
Last seen: 8 years, 10 months
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Re: Light help? [Re: mhbound]
#190711 - 01/30/09 09:10 AM (15 years, 9 months ago) |
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Yeah, it really depends on what you want from it and how much money you want to spend on it.
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Dr. Penguin
Registered: 05/19/08
Posts: 1,036
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Re: Light help? [Re: mhbound]
#190719 - 01/30/09 10:19 AM (15 years, 9 months ago) |
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Quote:
mhbound said:
If you want to deal with the heat then get like a 250 watt hps/mh interchangeable...If you don't then get a CFL lamp with a reflector you can find them for 100 dollars or so and you won't have the heat to deal with. You can get them that have 2-3 CFL lights in them...So, it would be like 200-300 watts.
In the end you will not yield QUITE as much but it would do fine. If you get the hps/mh expect to spend money on fans(quite expensive)...Running the duct work which isn't very difficult. It's just some extra things. But if you want to go ahead and do it right then I suggest getting the hps/mh. You will want one eventually so why not now?
This isn't quite accurate. Cfls produce MORE heat per lumen than an HPS of comparable wattage. So if you are trying to avoid heat and ducting, CFL's are not the correct choice.
If you are aiming for the 200+ watt range there are only two options right now in my opinion, HPS or MH. A properly cooled 250w digital HPS/MH ballast in a normal/small closet (2'x2'x8') or a 400w in a large closet (3'X3'x8') will give you plenty of light. If you use a cool tube or an air cooled hood your grow temps will be within 5oF of intake temperature, very manageable indoors.
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Lucas
Registered: 01/18/09
Posts: 80
Loc: Michigan
Last seen: 15 years, 9 months
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Thanks Dr., do you think you could link me to any lights with the cool tube or air cooled hoods that your talking about? Thanks everyone for the advice.
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It's called 'Moonajuana', shiz will fluff you up!
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mhbound
Ballin out at all cost
Registered: 09/22/08
Posts: 8,144
Loc: High
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Quote:
Dr. Penguin said:
Quote:
mhbound said:
If you want to deal with the heat then get like a 250 watt hps/mh interchangeable...If you don't then get a CFL lamp with a reflector you can find them for 100 dollars or so and you won't have the heat to deal with. You can get them that have 2-3 CFL lights in them...So, it would be like 200-300 watts.
In the end you will not yield QUITE as much but it would do fine. If you get the hps/mh expect to spend money on fans(quite expensive)...Running the duct work which isn't very difficult. It's just some extra things. But if you want to go ahead and do it right then I suggest getting the hps/mh. You will want one eventually so why not now?
This isn't quite accurate. Cfls produce MORE heat per lumen than an HPS of comparable wattage. So if you are trying to avoid heat and ducting, CFL's are not the correct choice.
If you are aiming for the 200+ watt range there are only two options right now in my opinion, HPS or MH. A properly cooled 250w digital HPS/MH ballast in a normal/small closet (2'x2'x8') or a 400w in a large closet (3'X3'x8') will give you plenty of light. If you use a cool tube or an air cooled hood your grow temps will be within 5oF of intake temperature, very manageable indoors.
Well to tell you the truth I wasn't aware of this...I have never grown with a cfl and am doing it next grow. It's good to know. So, you are saying if I took a 250 watt MH against a 250 CFL the CFL would put off more heat?
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Suck my balls America
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Dr. Penguin
Registered: 05/19/08
Posts: 1,036
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Re: Light help? [Re: mhbound]
#190998 - 01/31/09 10:49 AM (15 years, 9 months ago) |
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That is exactly what I'm saying.
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Annom
Registered: 04/20/08
Posts: 316
Loc: Europe
Last seen: 8 years, 10 months
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Yes, HID (HPS, MH) is very efficient. That's why they use it in agriculture.
This table lists luminous efficacy of a source and efficiency for various light sources.
HPS is 22%, CFL 10%, T8 15%.
I would always go with HID unless you plan a very small and cheap grow.
Edited by Annom (01/31/09 11:17 AM)
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