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Old 08/28/2013, 07:58 PM   #1
Genetics
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September 2013 Tank of the Month

This month we are featuring Robert Chu's (Santoki) 75 US-gallon Reef Aquarium.





More details can be found here.


Congratulations, Rob!


Also check out the Reefkeeping Blog!













If you'd like to nominate a tank for Tank of the Month, click here or use the button to the right.



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Old 09/02/2013, 12:58 PM   #2
DgenR8
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Congratulations, Robert! thanks for sharing with us


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There's a lady I've known forever. She's taken ill as of late.
On top of that, she's being abused by those to whom she has given everything... Lies about her abound, and seem to come from all sides. Just breaks my heart. Maybe, if we join together, we can help her heal.
She's well over 230 years old, but way too young to die. Her name is 'America'... And I love her and I have always been proud of her.

Current Tank Info: 220 gal reef with 200+ gals of sump and refugium.
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Old 09/02/2013, 07:32 PM   #3
steed76
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congrats! Beautiful tank!


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Old 09/02/2013, 07:54 PM   #4
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Beautiful tank Robert!!! Congrats!!!!


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Current Tank Info: 54 corner goin away. 80 gallon rimless Deep Blue lagoon beginning!!!
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Old 09/04/2013, 01:25 PM   #5
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Is that a giant crispa in your tank?


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Old 09/04/2013, 02:34 PM   #6
rlpardue
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How have those red spot cardinals done for you? How long have you had them, how many have you kept successfully, what do they eat, etc? Also, is there anything that you would attribute your success to with them?


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Current Tank Info: 5-foot 150g
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Old 09/05/2013, 09:38 AM   #7
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Beautiful tank. Well deserved TOTM.


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Old 09/05/2013, 11:07 AM   #8
sirreal63
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An absolutely stunning setup that has long been a favorite of mine. Congratulations Robert.


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Current Tank Info: Reefing the Pentagon.
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Old 09/05/2013, 11:20 AM   #9
ganjero
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Congrats Robert, your tank has always made my jealous.


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Old 09/05/2013, 04:49 PM   #10
biggles
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Congratulations mate, a truly beautiful display that's very deserving of TOTM.


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Old 09/05/2013, 06:28 PM   #11
Santoki
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Thanks for the kind words, and the nominations which gave me the opportunity to share!

David,
that is a Crispa I acquired more than 2 years ago. It was a quarter of the current size when it was introduced. I knew Crispas get large so I had made plans for horizontal expansion. However, I had to add some gutter guard at some point as you can see in some of the pics, to prevent its vertical firepower from doing too much damage.

Lee,
I unfortunately haven't had long term success with the group of Red Spots. My experience was very similar to keeping large groups of other Apogon species.
I had painstakingly weaned them onto dry foods such as F1 flakes and NLS pellets. They were fat and spawned regularly. However, I started losing them one by one at some point during the spawning cycle. I could predict which one I would loose because their body would become less transparent and more opaque. In addition, they would hang out separate from the group. In the roughly six months I've had them, I lost a total of 6 in regular intervals during the first 3 months, always during the spawn cycle. I currently have 3 left. They have been fat and doing well for the past 3 months. I assume that they are all the same sex, as I have not observed any more spawning activity.

-Robert


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Old 09/05/2013, 09:36 PM   #12
zfunk007
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Beautiful, unique and inspiring tank!


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Old 09/06/2013, 11:39 AM   #13
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Congrats on your beautiful tank! And another shout out to WAMAS - the DC Metro Area Reef Club!


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Old 09/06/2013, 12:36 PM   #14
LobsterOfJustice
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Can we get a fish list?


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I remember when zoanthids were called things like "green" and "orange" and not "reverse gorilla nipple."

Current Tank Info: 180g reef with all the bells and whistles
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Old 09/06/2013, 01:35 PM   #15
Santoki
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thanks again. and yay to WAMAS!

LobsterOfJustice,

My current fish list is as follows:

1. 1 Scopas tang
2. 4 pink skunks
3. 5 Dispar anthias
4. 1 shark nose goby
5. 3 red spot cardinals
6. 3 green chromis

-Robert


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Old 09/08/2013, 08:54 PM   #16
s2nhle
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congratulation on a beautiful reef tank. I am a member of wamas too.


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Old 09/11/2013, 06:06 AM   #17
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Robert,

Amazing tank!!! Congratulations!!

Just a quick question, the leds you use are 5w? The blue leds are royal blue color? The corals looks wonderful.......


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Old 09/11/2013, 07:55 AM   #18
Santoki
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Thank you and welcome to WAMAS!

gogolely,

I did not want to bore the non LED readers out there so I did not include all the lighting details. If you want to know more about the lights, my original light build is located here. Progress and observations after the initial 2 years can be found in this thread.

-Robert


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Old 09/12/2013, 10:56 PM   #19
gulfstream
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Congratulations fellow refer.-!
One question? How high are your leds from the tank.?
They seem to be working well ..beautiful corals.


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Old 09/13/2013, 11:19 AM   #20
Santoki
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Thank you.

The lights are mounted 4 feet, or approximately 1.2 meters from the tank bottom.

-Robert


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Old 09/25/2013, 02:21 PM   #21
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Sweet tank & congrats!

At first I thought I was looking at a 30g tank & after reading I see it is a 75g. Your corals are so big, that they make your tank look small

Just curious if you were to change LED lights & purchase a pre-made fixture, which ones would you be willing to spend your money on?


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Old 09/25/2013, 02:35 PM   #22
reeftails
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Congrats! Beautiful display


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Old 09/25/2013, 05:43 PM   #23
Santoki
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thanks again!

FastUno,

I am not familiar enough with all the available options out there to make a educated recommendation. However, I can say that with all the different colors manufactures are trying to incorporate into a fixture, color mixing will be an issue. Assuming the added colors really add to coral health, I can't see how having a few of the different colored LEDs scattered about will work. There will invariably be areas within the light column that will be devoid of those minority colors, while saturated in others. If however, the goal is purely aesthetics, having additional colored point source emitters will increase the already existing dilemma of multicolor shadows. Specially designed optics can help to a degree, but there are limits, and the gain in color mixing will come at the expense of focus. I personally am not sure where this trend for additional color specific LEDs is going. It seems that at some point early on, the reefing community decided that LED technology's seeming failure in the reef tank lays in the lack of colors, such as red or green. Business savvy companies rushed to be the first to offer lights which contain these colors. Now, it seems that violet is the new "missing link" and companies have now added this color as well.
Honestly, I think most if not all of the available commercial options will work. Implementation will take some experience. The difference in my opinion will be whether specific emitters such as red will be revealed in time to cause more problems than it will solve.

-Robert


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Old 09/25/2013, 06:27 PM   #24
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Congratulations, well deserved


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Old 09/26/2013, 11:31 PM   #25
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So you have the worried, sit and wait for the next best thing in LED phobia that we all do then.

I was contemplating the uneven spread in Light spectrum too, then it just hit me. The higher you place the fixture up, the more spread one will have and the intensity will dwindle (just as you have). I bet a more successful LED system will result if placed higher up in the tank. Rather than just running them at 50%, as some fear & do, they can be run then at 80-90%.

Some corals need less par, but more of the mixture of light as we are learning.

On another note, it is interesting how you have your rocks in your sump? Do you have a light in your sump or do a reverse light cycle?

I've always wondered are non light loving bacteria more beneficial to a system than are the ones growing at lights distance. I am sure the oysters, sponges, feather dusters, & other creatures that hide in the dark also help with filtration. Have you noticed a difference in parameters or benefit from moving your rocks from your main tank to your sump?

Would you suspect if you had a longer & narrower sump and just completely packed it with rocks. Would that give you the added extra edge in parameter control?


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Current Tank Info: SW, Reef
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