Quote:
Originally posted by sevise
I plan to setup a 20L as a Zoanthid tank. Will I be able to get away with PC lighting or should I go with MH?
I'm worried the MH will have to be mounted quite high to reach the ends of the tank. I'm also worried that it might be overkill and only contribute more heat to the tank.
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the best MH for that size tank would be a 175w SE, or 150w DE. IMO i like the SE stuff better. and i think the light spread is also better for SE as the reflectors are larger, and spread out more light.
no way you will over heat the tank. as long as the ambient temp of the room stays around 80 or lower. a small fan might come in handy if you arent running AC.
my girlfriend runs a 175w SE, on magnetic ballast, over a regular 15g AGA tank. i thought it was overkill at first also, but cant complain as the colors are SWEET, and nothing seems to *not like* that much light.
