20k Radiums - Crocea?

[Ereefic]

I'm looking to go to 250w Radiums on PFO HQI ballasts. The tank is 29" deep, but there is a 6" DSB, so making the water depth 23"-24". Crocea's are on the bottom, and currently under a DE 250w 14k Phoenix and doing fine. Will I be fine with 250w Radiums or are 400w Radiums needed?

 

[Snprhed]

You'll be fine with 250's

 

[Stoney Mahony]

I agree. It might be blue but its still very bright.

 

[Ti]

I've done it, it's o.k

 

[fussoverthis]

I've got two croceas, a maxima and a deresa under 250w radiums at various levels. They do very well. My tank is 24" deep with about an inch of substrate. One crocea and the deresa are on the bottom.