Need help choosing bulb configuration!

Khola22

Active Member
Im just starting the flowering cycle under 2x400w lights. They light up a 3x3 area which is filled with 6 plants all in 5 gallon buckets. I have 2 hps bulbs, one new and one that has about 6 months of burn time on it. I also have a new plantmax 400w MH. which would give me better performance out of the 400w new HPS and 400w new MH, or 400w nes HPS and 400w old HPS. The hps bulbs are both standard GE issue. Thanks for the opinions!
 
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