I am running 6 bulbs TEK T5 on my 36" Tank (65 Gal) SPS doing very good.
However i still think that DE 250W MH is better light for SPS. 400w for deeper tanks. The only real draw back is a heast. If your tank is in "colder " place (basement etc) i would go with MH, if heat is a problem go with T5.
On my next tank i will consider 250w DE MH instead of T5.
jmo
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