Mark's 150 gallon

Hey Mark, looking amazing! Back to its full glory.
Sscs are an odd and sensitive coral.. I’ve had them grow well and then just brown out and wither away. Had them start out strong and then stop.. but I’ve never had one with as much amazing red as yours.
Still luvin the lokani!
And your saved from the brink acro also looks great!
 
Thanks all,

The Lokani looked fantastic, and then RTN started. I made 3 frags, 2 died, one is still there but honestly I think the entire coral is dead. I left it in the shade too long, or something is wrong with the water and this is the second coral to show signs. It was such a tank of a coral, surviving everything that has gone wrong in this tank, and now poof. The right half i still alive so I'll make some more frags tonight and see if I'm lucky enough to get one to survive.

Besides the SSC everything else loosk healthy and is actively growing. /shrug

I purchased the ATI water test kit, should have some results in 7 to 10 days. I can;t find anything wrong, but looking back my attempt to lower PO4 and Nitrates is probably what did it. Stability above all else.
 
Crap! Not the lokani!
Ouch.
I hate those mysterious occurrences. So frustrating.
I’ve had plenty myself... no doubt you are right though, Mark.
Whenever things change, that’s when the so called mystery events happen..
 
Here's the ugly photos.

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One frag still alive and has turned a deep brown, which IMO is a good sign. parts of the living section are turning brown as well, which is different from the parts that RTN'ed ... but I won't get my hopes up yet.

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SSC stable, no additional loss.
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Acro colors are some of the best I've ever had so I think water is in good shape, it was me doubling up PhosphateRx and NOPOX that had to do it. 2 PPB Phosphate is something that poor Lokani hadn't seen in years, and it was an abandoned acro in a LFS tank that was under lit and dirty since one store was going out of business. Most likely was starving, in too much shade ... and then I moved it to a much brighter spot. Stupid stupid stupid.

If I can save a part of it and the tank doesn't go into a full meltdown then at least I'll have some additional confidence I can maintain this long term.
 
I echo what Brandon said above.

In my opinion, lack of phosphates does more harm to corals than their presence in the water column.

Furthermore, although I don't think it is the cause of your issues on this occasion, using GFO while dosing organic carbon may not be a good idea in general. To quote Hans-Werner Balling: "I recommend the Elimi-Phos [aluminium-based phosphate binder] instead of Elimi-Phos Longlife [GFO] when doing organic carbon dosing because organic carbon dosing may reduce oxygen in the phosphate adsorbing granules and release phosphate and iron from the phosphate adsorbant"

FWIW, here is the article written by RHF on the effects of excess iron on organisms: https://www.advancedaquarist.com/2002/10/chemistry
 
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Hey Mark, some amazing photos there man, wow! As far as the uglies, we all go through it, and I am sure you will fix it :) Cheers :)
 
Oh man, let's hope it stops where it's at.

Thanks. So far it hasn't progressed any.

I echo what Brandon said above.

In my opinion, lack of phosphates does more harm to corals than their presence in the water column.

Furthermore, although I don't think it is the cause of your issues on this occasion, using GFO while dosing organic carbon may not be a good idea in general. To quote Hans-Werner Balling: "I recommend the Elimi-Phos [aluminium-based phosphate binder] instead of Elimi-Phos Longlife [GFO] when doing organic carbon dosing because organic carbon dosing may reduce oxygen in the phosphate adsorbing granules and release phosphate and iron from the phosphate adsorbant"

FWIW, here is the article written by RHF on the effects of excess iron on organisms: https://www.advancedaquarist.com/2002/10/chemistry

Hi Bulent,

I don't use GFO. Maybe this was posted in the wrong thread? :) Regardless, I think that using PhosphateRx (lanthanum) along with carbon dosing was a big mistake. Balance was changed, change is generally bad, and now I'm paying for it.

Hey Mark, some amazing photos there man, wow! As far as the uglies, we all go through it, and I am sure you will fix it :) Cheers :)

Thanks Perry, fingers crossed it doesn't get worse. :)
 
Hi Bulent,

I don't use GFO. Maybe this was posted in the wrong thread? :) Regardless, I think that using PhosphateRx (lanthanum) along with carbon dosing was a big mistake. Balance was changed, change is generally bad, and now I'm paying for it.

This is my fault. I thought phosphateRx was GFO.
 
I don’t remember I have ever seen a stag horn acropora under LED grow into this beautiful shape from any where else. Excellent work!!!
 
Maaaaan that fts is awesome:beer:
As for the "uglies" I really can't remember a long period of not having at least one of those stubborn "I'm gonna do my thing no matter how well the other corals feel" coral!
I hope the others will not follow that "attitude.
Had the exact same thing happen a couple of years when I used phosphate rx too. Really powerful stuff. At that time I closed my skimmer and started feeding a bit more while at the same time stopped using rx.
It took some weeks but everything came back to normal, except from the ones that initially showed the stn.
Hope everything will go smoothly bud:beer:
Keep us updated
 
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Thanks for the well wishes Mike!

I returned to my routine that I was using for over 6 months except for an additional drop of CaNO3 daily. RTN stopped in its tracks, hopefully for good. Who the heck knows what exactly caused it, my guess is the super low PO4.

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Blue eyes insisted on getting his picture taken as well.

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The SSC is not better, not worse.

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The Horrida and Slimer are attempting to grow in front of the pump. :)

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