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So how do you know things could not be better if your not changing bulbs? Just because you dont have nusance algae is not a good indicator. That anemone could have out grown that tiny 20gal.

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<font size="2" face="Verdana, Helvetica, sans-serif">pocilipora ,
I don't think that anenome could look any better then it is. The color is outstanding and the anenome takes up the whole 20g so it's growth seems to be great.

I have to agree with Tony and Bob, Both these guys have beautiful tanks with beautiful creatures that I and many others have seen in person. If they had tanks full of brown sps, well then yes maybe they sould change their bulbs if they want bright colors out of those corals but the softies, lps and anenomes that are housed under these "old" bulbs are gorgeous.

I typed these things with a smile on my face and no mad thoughts in my mind. Just agreeing with their messages. [img]smile.gif[/img]

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pocilipora:
Perhaps if Tony tried one of the bulbs flogged in this thread, he would have better luck with his anemones. :rolleyes: Is this what you're suggesting, or are you so far off topic that your seemingly foul mood is affecting your responses? [img]tongue.gif[/img]

Few people I've even heard of have had half the success he has keeping anemones. His are amazing, you should really see them. As well, Bob's tank lit with PC's looks quite good, you'd be surprised I think. These are the GE bulbs, after all. ;)

So better than using sodium grow-lamps, these guys are doing a pretty good job by their charges. Until they see a compelling reason to change their bulbs, take it easy.

AJ

[ 03 October 2002, 22:16: Message edited by: AJ_77 ]

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Alberta v.s. BC - Round 1. Ding!

:D

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Wow....AJ....
:eek:

So much for Dana Riddle and Steve Tyree.. [img]tongue.gif[/img]

I have bulbs for sale, btw...

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Before I changed my 175 10k hamiltons/ushio, I definately started to see effects of the spectrum shift. These bulbs were 12-14 months old. I had an acro that was growing very steadily for months that had started to lighten up on the upper branches, slowly bleaching. I had also noticed significant colour loss in some of my other sps.. Colours have regained now, but I almost didn't notice before since it was so gradual..

Here's the visual difference in spectrum shift.. Old on the left and new on the right.. I asked Allen at J&L and he said there was no change in the manufacturing of the bulb.. (though he could be wrong). Does seem quite significant to me..

The way it looks to me, is that spectrum shift will effect sps corals first. I saw no change in my LPS after the bulb change..

http://members.shaw.ca/limestone2/ushiovs.jpg

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Exactly my point Pocillapora. I posted this in the hope of receiving DOCUMENTED evidence that old, or different spectrum bulbs gave problems. I wanted to hear someone say that their corals died because the bulbs were old, or not blue, NOT that the colors were less vibrant as that is cosmetic , and totally immaterial. My purpose is verification of what I am doing or for someone to PROVE that I am wrong. I am in no way interested in opinion.As someone said in a movie "The facts ma'am, only the facts". :D :rolleyes:
The above comment about the SPS versus LPS is very interesting. I only have one SPS coral, and have only had it for a few weeks. That proves of course that I know nothing about SPS corals, and I am happy to admit that. :D

[ 04 October 2002, 09:50: Message edited by: Bob Ipema ]

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Who exactly are you looking for evidence from? Have you tried looking yourself? The answer is out there! You must have a beautiful tank concidering you dont care about the light source. May as well throw some incadecents on there. Couple 100 waters should do it. :D

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I gave you evidence..The Zooxanthelea on the coral I mentioned did not recover and the coral slowly whithered away.. I should have replaced the bulbs sooner, but I couldn't bring myself to dish out the cash right away..

I remember a good quote from Darren. "Always strive for the optimal environment, not the minimal." err something like that.

If you are cheaping out on your bulb change, you are going minimal. Before I changed my bulbs, yes 99% of my corals were perfexctly happy, but they look so much better now..

[ 04 October 2002, 12:01: Message edited by: One_Divided ]

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<font size="2" face="Verdana, Helvetica, sans-serif">no you dont ;)

Steve