General MH question....

[BlondeNaso1]

I am currently running two XM 10K MH with Icecap ballasts. I also run four URI 110 03 actinic VHOs with an Icecap 660. It is time to change the bulbs and I need some help deciding. I have been looking at all the great data on spectrums and PPFD values, but I am not exactly sure what I am looking for....

In the past I have used Ushio 10K, Sunburt 12K, and now the XMs. I have been happy with the XMs and was considering going to 20KK. I like the look of a bluer tank, but I am afraid that the 20KK with the actinic VHOs would be too much.

Can I run the XM 15000K on my Icecap ballasts? I didn't see any data for the icecaps on the reeflightinginfo website which lead me to think that it could be done. I also did not see any data on the Ushio 14000K. Should I stick with the XMs or try something different? What should I look for on the spectrum charts? Somthing with a wide spectrum and also a high PPFD?

Any help would be appreciated, since I know that this is the 1000000th question on this topic. If anyone could just tell me what to look on the charts, I will do my own homework, thanks