Has anybody used this light before? Thinking about buying it for 4 plants would this be enough?
Depending on how big is your space… But no… Maybe 2 of this… More light more/dense buds.
You need at least 35 real watts per square foot and I think that light is 190(if you are lucky) real watts
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Hey @M4ur thanks for replying! The space I have is 4×4×6.5…would it be better to get two of these or one of the 600w? Or is there any better led light you would recommend? 
I would go with two of the 450 my self
You’ll be in better shape imo and will have a better light pattern imo @PrimalGrower
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I’m whit @Countryboyjvd1971… Two of that will cover good that space 
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Thanks @Countryboyjvd1971 and @M4ur you guys really helped! think i will go with 2 of the 450’s like use suggest! The extra expense will hopefully be outweighed by quality and yield 
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Definitely you will be happy! I have a meizhi 450w(192real watts) for 2x2x5 grow box and I’m more than pleased about my light
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I’m also use multiple smaller light instead of one big light 
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If one will die you will be able to grow whitout any problem
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It’s better to purchase smaller ones, so you can move them around easier. But it’s a personal preference. You can always add multiple smaller ones as needed, more affordably.
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I have a 1200w viperspectra and a 600w viperspectra on light rails in a 5’by7’ area with sr0g set up using 2blueberry and 2 goldleaf week 9 of flower got the biggest buds ever thanks everybody for the idea to go as big as i could do the more light the better
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Nice one man! Hopefully I can upgrade to something like that in the next few months! ! Do you have a journal?
I use two 1000 led but you lose some wattage so I am thinking equal to 800 watts
I am using Platinum Led Grow Light, I have read somewhere about Led grow light to grow Marijuana.
I have the 600w in 4x3x6 space. How close should I set it for germination?
I just hung two of these in my room with 3, (soon to be 2) plants. They are not yet old enough for the led. I have 2 six bulb 6500K cfl fixtures over the seedlings now. The led light is suppose to draw 210W maximum, but has dimmers and recommendations for settings for each growth stage, so unless you have all 3 dimmers wide open you’ll be pulling less total watts. Once I use up my auto flowers I’ll start scrogging for better efficiency. I doubt I’ll ever grow more than 4 at a time with this setup.
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I have the 450 vita specter and manual says it covers 2.5x 2.5 area and it works great
Yes, good lights but @ 450 watt you need one for each plant, not enough light will cause major stretching. Hope this helps.
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I’ve got one a 2×3×8 I did think one was enough so I got another one now the two over them is doing good they do seem to get a little bit hot
Put your hand at top of plants and if your hand gets hot raise the light an inch and re check. I have six of their lights going on two years now and still working fine.