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Discussion Starter · #1 ·
my husband wants to upgrade our lights.

what kind of corals could i keep with 2 30w actinics and 1 150w metal halide on a 3' 50g tank (maybe an anenome?)

what would be the optimum color temp of the MH bulb?

any help would me much appreciated

thanks

Colleen;)
 

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Discussion Starter · #9 ·
is it possible to put a 175w bulb in a ballast rated for 150w??

or how bout a 250W on a 400W ballast???
(getting both ballasts for free from family :D
 
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