In article ,
John wrote:
Does anyone use Metal Halide lighting on their tanks. I saved my ballast and
250 watt bulbs from my reef setup that I sold last year, but I want to setup
a freshwater planted community tank ( 120 or 125 gal.). Any advice is
greatly appreciated, thx...John.

Sure, HID lighting is the cornerstone of the Dupla method which
arguably spurred the planted tank craze. Just use it.

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