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150W HPS for Tomato Plant


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Old 02-06-2011, 11:52 AM
Rkfm Rkfm is offline
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Default 150W HPS for Tomato Plant

My local hydro store has a sale on Sun System 150W hps lamps ($30) and I was thinking of getting 4. If I arranged them in a square pattern, would that be enough light for a 3 foot tall determinate tomato plant? Would the bottom not be getting enough lumens? I would think keeping the lights a foot away from the top of the plant would keep it from getting too warm.

Or, should I just go for a 400W for a little more? ($150)

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Old 02-06-2011, 01:12 PM
frnz571 frnz571 is offline
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i would think a 150 watt is not enough. i did ok with a 400 watt for 3 foot plants.now i have a 1000 watt light w/ 4 plants under them almost 4 ft high.
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Old 03-18-2011, 03:17 PM
ProZachJ ProZachJ is offline
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The main issue with tomatoes indoors is the vertical nature of the plants. This makes it difficult with any light source. If you find a way to trellis horizontally or get bush variety tomatoes it will help greatly. I once did a SCROG type grow with Roma tomatoes under a 345W led light that produced about 20 2-3oz fruits per plant.
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Old 06-18-2011, 08:05 PM
local local is offline
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Quote:
Originally Posted by Rkfm View Post
If I arranged them in a square pattern, would that be enough light for a 3 foot tall determinate tomato plant?
Yes.
Quote:
Originally Posted by Rkfm View Post
Would the bottom not be getting enough lumens?
No. For the lower leaves add cfl lamps fluorescent-Lamp-5MPW8" target="_blank">http://www.grainger.com/Grainger/LUM...ent-Lamp-5MPW8
Quote:
Originally Posted by Rkfm View Post
I would think keeping the lights a foot away from the top of the plant would keep it from getting too warm.
YES. hps bulb temperature 400C 150W HPS
Best wishes!


Last edited by local; 06-18-2011 at 08:07 PM.
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