Melting frogspawn.

[richofoz]

I went to the lfs 2 days ago to get my supplies and ended up coming home home with a couple of nice corals, including a nice brown frogspawn.
I drip aclimated it for a couple of hours then put it into a sheltered spot on the bottom of the tank with low to medium flow away from any other corals .
It was retrcted when I put it in and i wasn't that worried when it didn't open up much the next day (Still looked ok just closed).
But this morning I woke up to find that nearly all of the soft tissue had melted and fallen apart!
What have I done?

INFO:
400l tank inc sump
18" deep with 2 twin t5 (1 daylight 1 actinic) and 2no actinic
7000 litres an hour of flow
tuorboflotr multi
40kgs lr
just enough sand (pool dust) to cover bottom of dt
ph 8.2
sg 1.025 - 26
ammonia 0
nitrite 0
nitrate 0
alk 8 degrees kelvin
calcium aprox 450
magnesium 1200ppm
phosphate .8

I picked up the phosphate test kit with the coral so didn't realise it was this high till it was too late.

Only live fish in tank 2 blue chromis 1 4" volitans

I know a couple of the params aren't the best but should this cause an over night meltdown?

amonia has now gone up to .25 so i've pulled out whats left of the frogspawn and changed in my last 75l of nsw.
will be getting more today along with some phosban!

I don't normally use carbon but was going to put some in today to help clean up. I've read about using too much carbon too quickly bleaching corals, so how much is a good amount to start with for the above problem?

Sorry for the lenghty post, it's got me a bit freaked out that something could die and fall to bits so quickly!!

thanks, rich.

 

[m2434]

phosphate .8 - is that a typo? ppm??

 

[fierceseaman]

is there any brown slime anywhere near the flesh? it could be brown jelly disease, very common in euphyllia.

 

[richofoz]

it oozed out some some brown stuff sort of looked like tentacles out of it. I've removed it but if it is a disease can this effect my torch coral?

thanks again, rich...

 

[m2434]

I just noticed you have 1850 gph of flow in a 105 gallon tank. That is not all that extreme, but frogspawn are fairly fragile, if you had it in the direct line of fire you could tear it apart. when I first put one in my nano it got torn apart a bit (400gph in a 20g) - had to move it a bit now it's good... I'm not sure that brown jelly would be that quick, but it could have been on the way out to begin with and the shock of moving just finished the job.

 

[salty55]

the brown tentacles may have been it's feeder tentacles. did you pull them out before or after you noticed trouble?

 

[richofoz]

I had it in a sheltered spot behind a piece of live rock that recieves quite gentle current.
I pulled it out this morning because brown tissue had turned to mucus and disappeared. When you look at the skeleton there is only one spot
withflesh attached the rest is now clean white...
I know I've lost the frogspawn, but i'm now more worried about ammonia it seems to have caused....
is 0.25 really bad? i'm donig another 75 litre water change as soon as the water heats up. I just don't want to kill anything else!

 

[uscharalph]

I've lost a couple lately, but the rest are doing great.