<a href=showthread.php?s=&postid=14871156#post14871156 target=_blank>Originally posted</a> by saltwaterpimp
Question, I have the 150 watt pendent with 14k bulb over my 34 solana, If i wanted to upgrade to 250 watt 20k, would i just change the ballast and bulb. Would the current 250 watt EB just plug right in or do i have to wire stuff up ?
One more, 20k is a good choice for LPS right ? I am not realy looking for crazy high par, i just want a nice crisp blue ( that makes all the colors pop, and the obvious..keep lps happy!
Without more information its hard to say for certain, but more than likely some wiring will be required. First is your pendent SE or HQI? If it is HQI the bulb is not the same size so you will also need a larger bulb holder. If you are just keeping lps in a solana I would not upgrade to a 250w unless you raise the light way up there you are more than likely going to bleach all your coral as sps tend to me considered "moderate" regarding lighting demands.