Will it open more Large? Sun Coral?

In Japan, a lot of people just buy seawater shipped from islands by reefs. Though most people make their own to save money. But I care more about saving time and not making a mess. I also pour in a little bacteria and zicra water with each water change. (Common practice here in Japan.)

I basically, take the small container, fill it with enough water to submerge the coral and put the coral in. It retracts a bit . . . but as soon as I put in food, it all comes back to life a few minutes later. I feed it until I notice that it's not really eating anymore. It's been eating more and more. It started off barely able to eat an entire cube. Now I put in four cubes, since it can polish three. I usually dedicate about 1-2 hours to this process, usually while checking work from home. (type, squeeze baster a few times, type.)

I prefer to waste some food than to put the coral back into the tank not full. Since I often work until past midnight on many nights (I'm a corporate attorney), I have to be able to make sure that it's plumped up enough to survive me being stuck at the office, unable to come home for 36 hours. Or so tired that I can't deal with spending 2 hours to feed it.

As long as I am home before 1 am, I generally do this process everyday. But this week after returning home at past 3 am one night, I tried feeding the sun coral in the tank to see if it could be done. What a disaster. I think I should probably do a large water change this weekend or pour in the Japanese equivalent of amquel. The corals are all kind of droopy today, except for the sun coral, which is still super full from me feeding it in the small container.

I am getting a favia this week (had a store credit for a bad shipment), but luckily that has fewer (and bigger) mouths to feed and I hope to be able to feed that in the main tank.
 
This is right after it has been fed and returned to the main tank. It has grown quite a few new polyps already.

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I haven't uploaded the pics of it extended. It doesn't have long tentacles on it's polyps like yours does. (Most sun corals in the US seem to be what we call tabane iboyagi, whereas mine is just iboyagi) I will post more when I get some uploaded.
 
It's weird. It's two sections of corals that aren't connected. (There's bare rock between them.) After they eat, one section stays puffed and fat and the other extends into long tubes after it has digested. The side with the long tubes also has more obvious tentacles (though still of the short variety). They look like two different species, even though they are the same color and both sides eat healthily. The picture above is of the side that extends into long tubes.
 
Have you tried red plankton? (I think they call it cyclops in the US?) I hear this works very well, and it helps me get them open, though I now use this in the main tank before taking them out.

I found a close-up pic I took early on after a feeding. My newer pics are nicer, but the colors look neat here.
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Oh cyclop-eeze? naw i don't have them. I think i'm just going to feed in the tank and stick a floss and change it. I think it helps in that method too right?

Your sun corals are red... thats nice.
 
Sun Coral

Sun Coral

I took this sun coral from a LFS after watching it for 6 weeks. It started going down hill as they never feed them. I placed it on an over-hang and feed it 3 times per week. A mixture of rotifers, cyclop eeze, occasional mysis.

It has done very well.

It sits about 17 inches below 500W of MH lighting and comes out at about 5:00 p.m. each day and stays open all night. The MH lighting stays on until 8:20 p.m.

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How cubes did you feed you sun corals Koga57?

I got some bad new about my SC and i need helpful tips saving it. I been out and in the hospital didn't have the energy to feed them. Now if you guys can tell me what is the best way for me to do to recover them? I lost several polyps already and I don't want to lose anymore.
 
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