Need some inputs on my setup

Need some inputs on my light and space. I have recent bought and build a vero kit 400w from timber 100w on each cob.

My grow room is 1.2 square meeters i have put the cobs in a square in with one cob in each corner. There is 16 inches betwen each cob and I run them without any reflectors or lenses for beter spread.

Any improvments or inputs would be appreciated? / flodas

I think your setup will be just fine. Having said that, I think that running with no reflectors works better when you have 1 cob per sqft type of setup which are typically run softer. Running them bare, closer to the plants for that nice spread is great.
Having 4 cobs in 12 sqft or so isn't quite the same. You're running them much hotter and will need to keep that away from your plants a bit. Since you have to raise them up higher, running them bare doesn't have the same effect like when there are more cobs, closer to the plants run at a softer amperage.
But obviously you will be fine the way you are, maybe just not optimal. Perhaps with less cobs run hotter, using reflectors will help it reach down deeper with penetration since you have to raise them quite a bit higher. Just a thought.

Danielson999 said:

I think your setup will be just fine. Having said that, I think that running with no reflectors works better when you have 1 cob per sqft type of setup which are typically run softer. Running them bare, closer to the plants for that nice spread is great.
Having 4 cobs in 12 sqft or so isn't quite the same. You're running them much hotter and will need to keep that away from your plants a bit. Since you have to raise them up higher, running them bare doesn't have the same effect like when there are more cobs, closer to the plants run at a softer amperage.
But obviously you will be fine the way you are, maybe just not optimal. Perhaps with less cobs run hotter, using reflectors will help it reach down deeper with penetration since you have to raise them quite a bit higher. Just a thought.

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Great thank you for the answer im genast run them 1 week with reflectors and see if i noice any difference