I have 2 250 watt MH bulbs, and i was wondering where i could get a ballast for them and what is the difference between electronic and not. Also how many plants can one bulb produce?

Thanks in advance for the help.

:rasta:
arod Reviewed by arod on . MH ballast I have 2 250 watt MH bulbs, and i was wondering where i could get a ballast for them and what is the difference between electronic and not. Also how many plants can one bulb produce? Thanks in advance for the help. :rasta: Rating: 5