Mh is fine for plants many people do this. I myself prefer pc power
compacts.

As for whoich one first i sugest the co2 . To much lighitng without
co2 will coause more algae.
co2 without 2 much light on the other hand should couase no problems

Marc
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On Tue, 19 Oct 2004 17:25:34 -0700, "Spyder2x"
wrote:

Hello all,

I am wanting to add both a pressurized CO2 and a nice
lighting system. My question though is which one should I add first? I
currently have a DIY CO2, and around 100 watts of flourescent lights over a
135 U.S. Gal tank. The lights will be Metal Halide (these are ok for plants
right?) Thanks for any help.


--Jim--