600w grower needs advice

I use a 600w hps light in my flower room. I am curious what everyones input is as to what bulb would be best to use for flowering. Brand, Spectrum ect.. Any input would be nice.
Thanks​
 
you need HPS to bloom, at least 600 watts, i use sunsystem lights with MH in veg, and HPS in bloom, they need the spectrum from HPS
 
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