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Which is the best bulb that you think?

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Old 03-09-2004, 12:19 AM   #1
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Which is the best bulb that you think?

I have 250W 10K XM bulb...

I would like to change 20K bulb....

which is the best choice between XM20K and Radium20K?

How about CoralVue?

And Is it true that 20K is good for SPS Coloration?

Thanks in advance~
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Old 03-31-2004, 01:33 AM   #2
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Quote:
Originally Posted by 7thheaven
I have 250W 10K XM bulb...

I would like to change 20K bulb....

which is the best choice between XM20K and Radium20K?

How about CoralVue?

And Is it true that 20K is good for SPS Coloration?

Thanks in advance~
The new XM 20k Bulb for sure. Longer lasting than the radium and ooooh the colors are nice. I have one on a 29 gal and no actinic supplementation.

- Elmo
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Old 03-31-2004, 06:06 PM   #3
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IMO the best 20k lamps our there are the BLV. A few more dollars than the XM or CV (Chinese/Taiwan) but great quality.

Just My opinion...

Regards,

Perry
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Old 04-04-2004, 12:59 PM   #4
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The AB 20 DE is definitely brighter and less blue at initial startup than the XDE 20K- I just switched on Friday, and so far I'm liking them. They supposed whiten a little after 100 hours or so, too...

I haven't seen the BLVs yet- I remember hearing rumblings a while back that the ABs were just going to be re-labeled BLVs. Do you know anything about that, Perry? If not, how do they compare with the AB 20Ks?

Thanks,
James
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Old 05-02-2004, 03:46 PM   #5
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OK, I'll bite. I like the Coralvue 10000K,nice color rendition,no yellow at all. Their 20000K has excellent color also and is brighter then the XM's. They both are reasonably priced and I use them on my tank......
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