Quote:
Originally posted by MarineGirl411
So the radium 20k produces more Par than the Phoenix? Is that what I am looking at? 20k seems too blue for me. 14k Phoenix is perfect. It's in the middle. If you have a picture of a 20k radium I'd love to see. I saw at my LFS and I remember the tank looked very very blue. Rich, is that what you use? Also, how come we never get to see your tank?
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No, the phoenix has 88 PPFD, the Radium has 85 PPFD.
IMO, spectrally, theyre the same bulb. The Phoenix IS a 20K, not a 14K.
Look at an Iwaski 15K. Its a TRUE 15K bulb. Notice how much bluer the phoenix is, and how it matches up to the 20K bulbs. Its a 20K, not a 14K.
If you like the phoenix, you'll like the radium.