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Old 05-20-2012, 09:17 AM   #171
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I don't see why you wouldn't just grow your tang food in the refugium? That's designed to grow Macroalgea. Tangs usually love small grape Caulerpa!! Mine do.
As far as substrate, I used 30 lbs. of aragonite sand, but there are different opinions about this. Some people like the mud, wanted to go with this but is expensive. Some go bare bottom for less nutrient build- up and more space for Macroalgea, with maybe a little rubble. Some pack it with rubble, maybe there isn't enough rock in their DT, don't know about this one.
I went with an approximate 2" sand bottom. My DT is crushed coral and I felt having some aragonite sand in the system would be beneficial.
Some say, if it's not a deep sand bed (5-6"), then it's not doing much of anything, but with that deep of a bed in a refuge, there wouldn't be much room for Macro.
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Old 05-21-2012, 06:09 PM   #172
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I wouldn't go with the mud. I saw a study done on a popular brand of reef mud a few years ago. The result was that there was nothing in it that would prove it came from the ocean. Mine had pieces of brick in it and shiny man-made plastic shards in it. It's from someone's back yard.
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Old 05-21-2012, 06:15 PM   #173
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Ahh...so thats the miracle... A miracle money-maker!!
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Old 05-21-2012, 07:02 PM   #174
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Quote:
Originally Posted by mr_X
I wouldn't go with the mud. I saw a study done on a popular brand of reef mud a few years ago. The result was that there was nothing in it that would prove it came from the ocean. Mine had pieces of brick in it and shiny man-made plastic shards in it. It's from someone's back yard.
I talked to Anthony Calfo about it a few days ago, he said the same thing.. The reason people think its good is because it has sugars in it which makes corals open up more, it's actually bad long term because the corals use the energy of opening for nothing.
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Old 05-21-2012, 07:25 PM   #175
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That's odd. If it's sugar that makes corals open up more, why can't we just toss in some sugar?
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Old 05-21-2012, 07:35 PM   #176
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Polyp extension isn't always a good thing. There is a thread Anthony was On That talked about it, I'll try to find it.
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Old 05-21-2012, 07:39 PM   #177
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I was talking to him about how my kryptonite candy cane wasn't opening as much as it should. He told me basically this..

http://www.reef2reef.com/forums/gene...extention.html

And you can add sugar, just don't do it regularly, he told me I could add 1 teaspoon of apple juice to see how much the maximum polyp extension is on it. He said some lfs do that when taking pics of their corals to make them look good.
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Old 05-21-2012, 08:57 PM   #178
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Interesting. Back to the Heera's question- I like a small sand bed (an inch or so) and some live rock, rubble or otherwise. If your refugium is small, you may not want to, or be able to fit that stuff, but the rock is as good as the algae as far as the pod production is concerned, IMO.
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Old 05-21-2012, 10:43 PM   #179
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A big thanks to all of you for responding with great info.

My refuge is going to be 15X18x 12" (LxWxH).


So NO mud.
1-2 inch fine sand. 4-5 small live rock rocks with coral skeletons ( rubble) and cheto with regular light on top.

That should do it?
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Old 05-21-2012, 10:48 PM   #180
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What do you mean by regular light? Everything else sounds great!
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