I would only do an xm 20k if your running m59 magnetic ballast. If your running an electronic ballast you may want to go reeflux 10k. They have a lot of blue in them and good par.
Im not sure what kind of ballast im running im kinda new to the whole light thing i just bought a coralvue set up. I believe its electronic im not sure.
How about if you are running an M80 ballast like what comes with the Aquamedic Ocean lights? Currently I am running the AB 20K and I'd like a little more blue honestly.
Perhaps this link will help. Go to spectral plots and you can compare away. Try not to spend the next 3 hours looking for the right bulb though
I use 20k coralvue 250se bulbs right now. I am currently on my second set which is a rare thing. My sps grow well and I am pretty happy with coloration. In case your interested, you can see photos of my 120 at my website.
me too on the xm 20k - mine is mogel on icecap electronic ballast - some would complain not enough par - but I like the look and the life seems happy - still awaiting final verdict (months) on weather the only and new acros maintain
<a href=showthread.php?s=&postid=6601429#post6601429 target=_blank>Originally posted</a> by herefishyfishy2 so the XM 20K HQI is what people are using or mogul base?
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