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Anonymous

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It seems some of the address is missing from your URLs...
 

Nemo2007

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I've had Hamilton fixtures before, and have nothing but good things to say about the quality and performance FWIW...
 

Nemo2007

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Thanx Lawdawg. I was thinking I would never get an opinion on the choice. Anyway, I have decided to go with your suggestion as I was leaning that way anyway. Out of curiosity, what lighting do you use now?
 
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Probably part of the reason it took a while to get a response is that there aren't many people running Hamilton fixtures these days. They aren't 'trendy' and aren't cheap, so people in general spend their money on other fixtures.

Back in the mid 90s I ran a Hamilton canopy that had 2 x 250w MH and 2 x 110w VHO tubes. That was back in the day when they didn't bother putting reflectors in the canopies, just painted the insides white. I never had any problems with it in all the years I had it running, which was quite a few.

Hamilton has since redesigned their fixtures and I have no experience with the current models, but they do look an improvement over the old ones. I don't think you'll be unhappy with it if you choose to buy one, but you might want to look around more first and see if there aren't comparable fixtures with features the hamilton's don't have that you might prefer, first. If I were going to light a 4 foot tank again myself I'm not sure what fixture I'd buy for it... but I'm pretty sure I'd end up with something that wasn't from Hamilton.
 
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Yeah, I had that experience. I was looking at the Hamilton Cayman Sun mini-pendant which looked good, and competitively priced against similar models, but when I went looking for accounts of people's experience with them, there was hardly anything out there. I found one guy who loved his, but that wasn't enough of a sample to convince me and in the end I ended up spending much more than I had budgeted to get a good-looking fixture that came with T5s as well (I didn't like the look of the fixtures you've posted, but that's personal taste...).
 

Nemo2007

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At this point, the hamilton fixture is on its way to where I am moving to. I expect to see it next week when I depart for South Florida. I don't get a chance to check on reefs.org as often as I would like but I greatly value the opinions posted here. So by all means keep them coming. I consider myself smarter than the average bear and I have advanced degrees to prove it. However, I have found myself to be a reef ignoramous. It's not like I haven't done a good portion of the reading but I have still developed an expensive aquarium graveyard. In trying to think outside the box, I put myself in the box. When the new fixture arrives it will be the third 48 inch fixture I own. I have two other current fixtures and in my ignorance, I loved them. They're shortcomings have become obvious over time and I wonder what was I really thinking. In essence, I should have just saved up and bought the hamilton or a similar fixture year ago. I would have saved myself about $800.

In trying to find new lights, I decided not to go with the cheaper options anymore which eliminated Current and Coralife fixtures. The Giesemann fixtures were pretty expensive and I don't know if they really are worth the premium price. (I have actually spent enough at this point to have already bought they're mid range offerings.) That narrowed my choices to Hamilton, Ice Cap, Sun Light Supply, and Aqua Medic. Some preference was given to USA based companies, because lets admit it, our economy could really used it.

Lastly, I like the lunar lights when done right. I prefer to have it included because tie strapping it on after wards may give me a better lunar light option but affects to overall look of the tank. I also preferred fixtures that included the bulbs and had individual, easily replaced ballasts. The Current systems have internal ballasts which are cheaply made ( I think in China) and are a pain to replace.

At least a couple comments above were in favor of Hamilton's offering. They were also highly regarded at the LFS, more than the Coralife they had on sale there. The Hamilton had features the other setups did not include like shields, and included hardware for hanging the light as well as attaching it directly to the tank.

At this point, that's good enough for me. Though I really would prefer not to have to revisit this decision anytime soon.
Yeah, the Ice Cap deal with two rows of "LED bulbs" looked attractive but I digress.

Thanks for taking the time to provide input and as mentioned above, I hope it keeps coming because I have decided to run any new large purchases across the forum to alleviate growth in my graveyard. I didn't even mention all the pumps, sumps, and supplements.
 
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I hear you about the difficulty of choosing hardware. I've spent a lot on setting up my current tank, the first I've had in years, which I therefore had years to plan! With all that time, I still found it incredibly difficult to narrow down my choice to something where I felt it was incontrovertible that that was what I needed/wanted.

I'm so far really happy with my Giesemann Infinity MH + T5 fixture, but I have a shorter tank than yours and a length like yours needs two MHs, which really jacks up the price.

Keep asking questions and we'll try to keep giving you our views. I look forward to hearing what you think about the fixture you've ordered!
 
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Nemo2007":4ea69u4u said:
At this point, that's good enough for me. Though I really would prefer not to have to revisit this decision anytime soon.

I wouldn't expect you'd need to. The Hamiltons are workhorses and I doubt you'll have any issues with it's performance at all. I tend to think of their products as baselines... sort of no frills, but get the job done just fine.
 

Nemo2007

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Okay, The Hamilton set-up is in place. The workmanship is beautiful. The quality control is a little lacking. One of the two fans does not turn on and the instructions saw never run the fixture if the fans are not on. I called Hamilton and they were really helpful and courteous. They are sending me a new fan that should get here in a couple of days. They said I could run the system for a maximum of 4 hours with the metal halides when only one fan is working. Other than that, this fixture is awesome. The lunar lights are at least 10 times stronger than the old current set-up, even though one of them shines directly onto the mid support beam. The sparking light refraction from the halides makes me want to jump right on in. I only ran them for about 15 minutes twice because the water temp quickly climbed and I still hadn't attached the chiller yet. Tomorrow i will leave them on for at least 2 hours and work myself up to 4. How quickly should I transition to more metal halide hours?

--Some one should have warned me about the color spectrum. In the old system there were 10k Aquasun bubs (4) along with actinic and super actinic bulbs from ATI (4). I figured the combo of 10K metal halides along with the actinic t5's would yield a similar color. Man I was wrong, the balance was shifted way toward yellow green. It seems to get more "white" the longer they are on but right now I wish I had opted for the free upgrade to 20K bulbs. I wonder if its too late to ask for those now?
 
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Anonymous

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Metal halides have a burn in time before they display their true color, also a warm up time every time you turn them on. 15 minutes may not have been long enough for them to warm up, but you won't see their 'true' color until they've been in use for about 100 hours or so all together.

Personally, 10k + actinics is my favorite overall look in bulb combinations. Bluer than that is currently more in vogue in the hobby, but it's really a matter of personal aesthetics.
 

Nemo2007

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cjdevito":23g3wwa9 said:
Metal halides have a burn in time before they display their true color, also a warm up time every time you turn them on. 15 minutes may not have been long enough for them to warm up, but you won't see their 'true' color until they've been in use for about 100 hours or so all together.

Personally, 10k + actinics is my favorite overall look in bulb combinations. Bluer than that is currently more in vogue in the hobby, but it's really a matter of personal aesthetics.

No kidding....one of the Hamilton bulbs blew out within the first week. They are sending me a replacement and I asked them to send a 14k bulb instead of a 10k bulb which they agreed to do. Meanwhile, because I'm inpatient, I went over and bought a replacement bulb from what used to be Big Al's in Tamarac, Florida. It cost me $95 for an Ushio 250W 14K bulb but the light it produces is much more pleasing to my eye. I included a picture below. Maybe its the ballast, but the Ushio looks white to me.
 

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