Introduction issue, what to do?

G

Guillaume

Another reef dependant
Got this Acro yesterday afternoon.
Fast accilmatation: over 20 minutes, 3 times half a cup of tank water in approx 2 cup of bag water.
Put it on bottom, low-medium flow.

Parameters:
temp: 80.4
ph: 8,30 when introduced, went 8,2 at night then 8,44 this afternoon: normal trend these days and ok with other acros in the tank.
Nitrates: undetectable
Phosphate: undetectable
Sal: 1.023-1.024

I discovered it was peeling off its flesh coming back from work today. No sign of infection. Tips affected more but not necessarly those more at light (so no light shock I guess).

Should I :
1- did it in lugol?
2- reduce ph (started to do so, now 8,35)
3- increase flow (started, now in medium-high flow), same light.
Any other ?

Thanks

t_2012_2611.jpg


Should I
 
OK, thanks. I thought I wasn't too rough with the acclimatation, yet it could have been longer and softer.
Maybe the flow was too low and the coral thought the balance light/flow wasn't right.

Now the condition(loss of tissue) has stabilized. Some branches are completly death, some half death and some have just 1/4 of an inch death on their tip.
 
Hi Guillaume,

Hope all is well!

It looks as though you are experiencing a case of Rapid Tissue Necrosis (RTN). RTN can occur when a coral is in a weakened state (from recent shipping perhaps) and is exposed to a sudden/dramatic change in its environment (Fast Acclimation). Your coral may have appeared healthy at the store, but some health issues are not always obvious. I suspect that your rapid acclimation combined with a weakened immune system may have contributed to the corals demise. All of your parameters look fine and should not have caused the RTN.

Warmest Regards,
James
 
What is your alk at? Are you carbon dosing? Have you basted the coral in a small bucket and checked for AEFW's?

How old is your tank? - From the photo it appears that the edge between the sand and glass is devoid of algae...usually you'd see either corraline algae there, either pink or the green speck type...or even some hair algae etc.

It looks like you picked up a maricultured acro colony. Even if your alk is ok and there is no pests, in tanks less than a year old, wild and mari cultured specimens dont fare too well in young tanks. There is just something about a mature tanks that is condusive to coral health and recovery.
 
sponger0 said:
I disagree. You could be suffering from alk burn. Alk is highly important with SPS.
Click to expand...

Hi Sponger0,

Hope all is well!

Wild and dramatic swings in Alk can cause RTN. Proven time and time again. I agree 110%! With that said, the OP did not post his alk level. My statement is based on the params he did post.;)

Warmest Regards,
James
 
No he didnt. Thats why I say thats something that really needs to be known. Its probably the one test I run the post on my tank.

But yes everything else looks fine. Dump the pH test and test for alk instead.
 
sponger0 said:
No he didnt. Thats why I say thats something that really needs to be known. Its probably the one test I run the post on my tank.

But yes everything else looks fine. Dump the pH test and test for alk instead.
Click to expand...

I agree. :)

Guillaume - At your earliest convenience, could you please post your alk levels and dosing methods. Is there a chance your LFS could provide you with the Alk levels in their SPS tank? Before and after comparison to evaluate alk swings.

Warmest Regards,
James
 
I'm surprised Alk, Ca and Mag may have an impact in acclimatation but I can understand what could be an Alk burn.
Here it is:
Alk: 1,95 Meq/L or 5.5 dkh a little low, nothing to burn I guess, and balanced with Ca.
Ca: 400
Mag: About 1300
 
Guillaume said:
I'm surprised Alk, Ca and Mag may have an impact in acclimatation but I can understand what could be an Alk burn.
Here it is:
Alk: 1,95 Meq/L or 5.5 dkh a little low, nothing to burn I guess, and balanced with Ca.
Ca: 400
Mag: About 1300
Click to expand...

5.5dkh is too low! A search on the forum will reveal that many have encountered RTN/STN when alk levels get too low. Besides, due to test kit accuracy, that 5.5 may be even lower. Get ALL your levels within NSW and your SPS will do fine.
 
sahin said:
What is your alk at? Are you carbon dosing? Have you basted the coral in a small bucket and checked for AEFW's?

How old is your tank? - From the photo it appears that the edge between the sand and glass is devoid of algae...usually you'd see either corraline algae there, either pink or the green speck type...or even some hair algae etc.

It looks like you picked up a maricultured acro colony. Even if your alk is ok and there is no pests, in tanks less than a year old, wild and mari cultured specimens dont fare too well in young tanks. There is just something about a mature tanks that is condusive to coral health and recovery.
Click to expand...

Hi,
Thanks for the input. Yes, tank is new, two months old but is an upgrade from an half the present size tank, with same rocks corals (acros+monti+pocci+LPS) where other acros thrive and grow. Also, I'm keeping my tank pretty clean with algae so its normal, and I would prefer ;) that you don't see algae on the pics.
 
Alk is way low....you need to bring that up slowly and stabilize it.

Most stores should keep their alk at 9-11. If it came from a system with alk is 9 and dropped to 5.5 that would make a big concern for me.
 
Ok, so even going down in Alk level can cause a burn?
And a swing of Alk is really problematic with acclimatation then!? Thanks. I'm learning again here!

Answering to James, I'm dosing Kalk and RODI water with a controller but with summer and windows open, Kalk dosing is reduced to avoid too high Ph. Also dosing Kalk at high ph (over 8,3) caused me sand clumping creating hard blocks of sand.

Also, does a lugol bath would help avoid the situation going more bad?

This is two images of this morning, taken with another camera and white balance:
t2012001.jpg

t2012003.jpg


Thanks all
 
sponger0 said:
Alk is way low....you need to bring that up slowly and stabilize it.

Most stores should keep their alk at 9-11. If it came from a system with alk is 9 and dropped to 5.5 that would make a big concern for me.
Click to expand...

Ok, It's getting clear! Bad way to learn a so basic thing after all those years in the hobby.:angryfire:
Never read that. Probably an acro acclimatation for me...
 
Well if you have a major alk swing with certain inverts it can be a major issue. Going from 9-11 down to 5 is a problem. Most people with SPS systems have their alk between 9 and 11.

And by the looks of the last pic, you can kiss that piece good bye. Its almost completely gone.
 
sponger0 said:
Well if you have a major alk swing with certain inverts it can be a major issue. Going from 9-11 down to 5 is a problem. Most people with SPS systems have their alk between 9 and 11.

And by the looks of the last pic, you can kiss that piece good bye. Its almost completely gone.
Click to expand...

Let me be more optimistic! All the branches are not death. Does the removal of branches without affection help there suvival or not? I could cut them and restart pieces.
 
Lol...well just saying ive never been able to recover a piece missing majority of the flesh.

You could cut what has some flesh left on it. But that IMO is your best chance.
 
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