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Old 06-24-2004, 09:29 AM   #11
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The best par and the best growth is found with Iwasaki 6500K bulbs, but the color sucks, imo.
Another opinion:
If you desire the increased coral growth rate you get with 6500K you can supplement them with actinic bulbs to round out the spectrum. I use 2 175W 6500K supplemented with 4 40W actinics. The actinics make the tank bright white with a tinge of blue. It's nice looking, very natural but you end up having more bulbs. More bulbs = more $$.
There are many opinions and preferences when it comes to lighting, especially MH. There is good advice in this thread. Any of the suggested configurations will give very pleasing results.
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Old 06-24-2004, 11:12 AM   #12
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PAR is not the only way to rate bulbs. The 20K radiums do not have a very high PAR Rating but they grow SPS like mad. There is just to many varibles to say one bulb is the best just by measuring one aspect of output. It is all speculation at this point; i would say try a few and see what works well for you. Or get feedback from others. The Iwasaki is a time proven bulb that works well in almost every situation.
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Old 06-24-2004, 06:11 PM   #13
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hey darin can you pm me some prices please. oh by the way darin i got my CV halide working again. I talked to david at coral vuea and he told me waht could be wrong with it and sure enough he was right.
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Old 06-24-2004, 06:27 PM   #14
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What was wrong with your bulbs? I will PM those prices over for you tonight.
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Old 06-24-2004, 07:35 PM   #15
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the metal tab was not making contact with the ignitor of the bulb. I gently shook it and it came back in contact with it. Now it works
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Old 06-25-2004, 02:23 AM   #16
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For Coralvue and XM Metal Halied bulbs has anyone else tried Inreefs.com? I've shopped there several times now and I'm quite pleased with their shipping prices and cost of bulbs.
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Old 06-25-2004, 10:47 AM   #17
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I have used Hamilton (by no means ever use hamilton) 10Ks, and Coralvue 20Ks, and here is my experience. 1.) the coralvue 20Ks are bad to the bone as far as color IMO, very natural looking, not too blue at all even with two 420nm's 2.) I have never seen a photograph posted on any of the comparison sites, or in any books that does justice to what a bulb will actually look like to you in your tank, and IME its going to be trial and error really until you get what you want. When these coralvues run their course I am going to get a pair of XMs to try them out, however I'll be ordering a pair of coralvues along with them as a trusty backup. I love that bulb.
Oh, Kevin... if you read this I am interested in a comparison from you about CV/XM aesthetically. I have a feeling we have different tastes for color temp, however it would be interesting. Take care and good luck on your bulb quests!
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Old 06-25-2004, 11:19 AM   #18
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Oh, Kevin... if you read this I am interested in a comparison from you about CV/XM aesthetically. I have a feeling we have different tastes for color temp, however it would be interesting. Take care and good luck on your bulb quests!
To be honest, I never allowed it to burn in, so I can only say that pre-burn in, it was way too blue for my taste. It was also one of the CV problem bulbs, and burned my corals, so it didn't stay long. To be fair I would have had to replace the 20K and allow it to burn in and then compare, I just couldn't stand looking at my tank that color for a couple of weeks. I switched to the 12K which wasn't that mch difference pre burn in, but I toughed it out and loved the color, problem with it was it was another of the bad sleeve batch and further burning ensued, this was corrected with a glass splash guard, but the ignitor failed on that buld, and rather than go to the trouble of replacing it, I upgraded and went with the XM. The XM is still burning in, but I like it alot so far, hoping it will tone down a bit as it burns in, but all I got to do to make it "perfect" is to turn off the actinics.
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