175W enough for SPS?

[BlueAbyss]

Originally Posted by lobsterboy

I used to be using 150wt MH, at a depth of 21in, and have switched to t5's. with the t5's at the same depth, i have experienced much more growth, and color in my SPS.

Hmm, a couple questions... what kind of bulbs were you using when you ran MH? How many T5s are you running now, at what wattage, with which bulbs?