Amount of lighting

jag3365

Member
Just finished my canopy and installed the lights....now my question is how long is a good amount of time to leave them on?
I want to leave them on enough to help carolline and corals, but not enough were my electric company starts salavating.
I have 2 6' VHO (320 W) and 3 250W MH. I was thinking 6-8 hours on the MH and 8-10 hours on the VHOs?
 
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