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10/19/2011, 08:05 PM | #7851 |
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Peter,
If those are the "crappy" photos, I can't imagine what the good ones will turn out like. Great job. Thanks for sharing.
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120G Mixed Reef, 28G AIO zoa/pipefish tank |
10/20/2011, 06:45 AM | #7852 |
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What a show! Too bad there are so many unhealthy and colorless corals!
JK, of course! mark |
10/20/2011, 08:04 AM | #7853 |
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Looks great Peter!
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Scott Current tank info: 34 gal Solana and a 400 gal FOWLR with 4-250 watt MH's, Aquamedic Turboflotor 5000, Korralin sulphur denitrator, 4-Koralia 7's. 120 gal LED sps reef in the works. Currently raising true Perc's. |
10/20/2011, 11:42 AM | #7854 |
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that feather duster is AMAZING..WOW...
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10/20/2011, 01:40 PM | #7855 |
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I just had the opportunity to update myself in all the posts back to April which was the last time I had an opportunity to read the updates. As always great stuff and fantastic pictures. I especially liked Mr. Wilson's comment about barrow rolling flow. I guess I need to move my power heads around. I'm still concerned about your killer crab, which I didn't see a post or picture of it being removed, and no mention of it either. I will let my imagination go wild and picture someone with a plastic mallet tenderizing the crab.
My real reason for posting is about the Orphek PR156 LED lights. I have been putting together a wish list for my tank that I will install after purchasing a house in June (yes I plan way in advanced). I have narrowed the tank down to a 75g or 120g both with 48" length and shallower than your tank. Taking your best practices I have been trying to downsize the equipment to best fit my configuration and I guess I never learned how to divide. So my question is: Do you think the Orphek PR156W LEDs (120 degree optics) would work good in the shallower tanks like the 75G (48 x 18 x 20) and 120G (48 x 24 x 24)? What number of fixtures would you use on those two tanks? Thanks, David
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10/20/2011, 03:59 PM | #7856 | |
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Quote:
I really have to defer to Mr. Wilson on the proper specs for your proposed configs. How do you plan to stock it with respect to types of corals? We did manage to capture our serial killer crab and in fact keep him alive. He is in the sump at the moment and as you are not the only one to ask about his welfare I will endeavour to take some candid shots for the thread family. Peter
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click on my home page for latest photographic slideshow update Current Tank Info: SW mixed reef 1350 gal in progress |
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10/20/2011, 04:04 PM | #7857 | |
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Quote:
Peter Ps. Thanks.
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10/20/2011, 04:05 PM | #7858 |
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Thank You, I appreciate your continuing presence and support.
Peter
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click on my home page for latest photographic slideshow update Current Tank Info: SW mixed reef 1350 gal in progress |
10/20/2011, 04:42 PM | #7859 | |
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Quote:
I could run both the 75G and 120G with T5 lighting and still keep SPS, but one high end 6 bulb T5 is a few hundred shy of the Orphek LEDs. David
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10/21/2011, 12:39 AM | #7860 |
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Love your tank!
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10/22/2011, 01:26 PM | #7861 |
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Sorry, Peter, but I just had to snag this image for my PC's wallpaper. It's too impressive to leave hidden in an album somewhere. Hope you don't mind.
Dave.M
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My Gawd! It's full of corals! Current Tank Info: None. Nil. Zip. Nada. |
10/22/2011, 04:05 PM | #7862 |
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Mr. Wilson and I will be Honoured Dave. We have already named the star 'Dave' in your honour. He continues to celebrate life in our Tank.
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click on my home page for latest photographic slideshow update Current Tank Info: SW mixed reef 1350 gal in progress |
10/22/2011, 05:44 PM | #7863 |
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Yes, that's me, getting pentactically symmetric all over the place.
Dave.M
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My Gawd! It's full of corals! Current Tank Info: None. Nil. Zip. Nada. |
10/22/2011, 06:15 PM | #7864 | |
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Quote:
Peter
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10/22/2011, 06:40 PM | #7865 |
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Well, comatulids are still crinoids, which means echinoderms. Supposedly you're supposed to be able to take all the branching arms apart and finally pare them back down to a multiple of five original arms. Or you could just sit back and enjoy them.
Nice article about keeping feather stars here. Dave.m
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My Gawd! It's full of corals! Current Tank Info: None. Nil. Zip. Nada. |
10/23/2011, 08:09 AM | #7866 |
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Amazing tank !!!!
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10/23/2011, 08:51 AM | #7867 | |
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Quote:
The middle row that will be replacing the metal halide fixtures needs to be suspended below the cooling duct so the clearance is limited. As a result, we can't simply raise the LED fixtures to spread the 90˚ spread of light. The 120˚ lenses will not concentrate the beam of light as much as the 90's. The centre of the tank has mostly high peaks of reef structure so most corals are within 6-12" of the surface. It is important to keep in mind that there are no easy rules of thumb when choosing reef lighting. It is easy to fall into traps like "my tank is 24 x 24, so I need a light that covers this area uniformly". In reality, you are illuminating your reef, not the footprint of your tank. You don't want to cast light on the glass where you have to clean or spotlight an ugly overflow box or powerhead. A 24 x 24 area likely has only a 12-18" x 24" area to light up. If you angle/tilt the light fixture back toward the back wall, you will direct light away from the viewing panel (less algae to clean), minimize shadows on fish (better colour rendition), illuminate the sides of corals (better pigmentation and growth), and the light footprint is increased. Square fixtures cast uniform light footprints along the X and Y axis (front to back & left to right). In some cases, this means that you are wasting resources over illuminating the sand and front glass. With a wide tank (30-48") it looks best with open sand areas. Narrower tanks (18-24") look fine with wall to wall corals covering the sand right to the front glass and have more or less the same light demands as wider tanks. Standard optics (90˚) will have no problem covering narrow tanks. It is the wider tanks where 120˚ optics are needed. The type of corals you want to keep will also dictate the light intensity you will need. Peter has some SPS that require the high PAR delivered by the 90˚ optics. To answer your question, for a 48"x24"x24" mixed reef tank, I would recommend two PR156 with 120˚ optics. This will give you viable real estate anywhere in the sand for clams etc. |
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10/23/2011, 10:08 AM | #7868 | |
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Quote:
Perhaps Dave you can post the link here as I can't figure out how you do it...... Peter
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10/23/2011, 04:49 PM | #7869 |
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Here is the article Peter asked to have a link to:
Reefs Magazine - Summer 2011 -The Great Temperature Debate, Part IV by Chris Jury It has also been added to the Links page on Four Masters. Cheers! Dave.M
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10/23/2011, 06:13 PM | #7870 |
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Great
Thanks Dave, this makes it a lot easier for folks on the thread to follow. I for one appreciate your help.
Peter
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click on my home page for latest photographic slideshow update Current Tank Info: SW mixed reef 1350 gal in progress |
10/24/2011, 11:28 AM | #7871 |
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Peter I hope you don't mind, I have found the putty you and Mr Wilson used to assemble your rock structure here in the U.S. I know a number of us were interested in purchasing it, and at the time it was not available. I found the link on another reef forum.
http://www.jimsreef.com/estore/index...roducts_id=146
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Scott Current tank info: 34 gal Solana and a 400 gal FOWLR with 4-250 watt MH's, Aquamedic Turboflotor 5000, Korralin sulphur denitrator, 4-Koralia 7's. 120 gal LED sps reef in the works. Currently raising true Perc's. |
10/24/2011, 12:34 PM | #7872 | |
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Quote:
I personally like peninsula aquariums and open areas of sand since I hate not being able to see all that space behind the rocks, so angling the lighting doesn't really work for me. It would be nice if lighting manufactures built the lighting to correctly fit the tank since for most of us are using standard tank sizes. The LEDs would be best designed with middle rows of lights at 120 degree optics mounted straight and outer rows angled (or repositionable) to the center with 90 or 120 degree optics. However based on how they designed the older technologies, I don't see this happening. Thanks, David
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10/26/2011, 06:00 PM | #7873 |
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Unfortunately, I've had to remove the photos I made of Peter's tank. Activity on this thread has blown the lid off of my bandwidth allowance and is now costing me more money than I'm willing to spend on my website. I'll look for another way to share the images in this thread.
Gary |
10/26/2011, 06:30 PM | #7874 | |
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Quote:
Thoughts? Gary?? Peter
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10/26/2011, 07:23 PM | #7875 |
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Peter, I do not have admin permissions on your photo album site, but this is certainly something you could do. Create an album on Phanfare, perhaps "Images by Gary Parr". Have Gary email you each image, one per email, and probably compressed so as not to blow out your email service. Save each image onto your PC, uncompress it, and then upload it to your Phanfare site. Delete the images from your PC when completed. Then create a new post on this thread with a link to either each image, or to a slideshow you could create of Gary's images.
Dave.M
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