I went 5 years on my MH, magnetic ballast and then sold them.. sure they are still going.
as for MH being better than LEDs depends on how you look at it.
I am both a MH fan and LED fan, for pure low cost, simplicity and power I would go with MH, but LEDs don't throw heat use a little less power and if you build or buy them right you can change the color. MH you can move from tank to tank, a custom LED setup only if the tanks are close to the same size.
so basically if you don't mind high evaporation, possibly needing a chiller, and are ok with spending a few more bucks a month of power for the chiller and lights then stay with MH.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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