Help with leathers

[Noonie]

Please help me Iam trying to keep leathers in my 55. All my test are good but every leather I put in the tank wants to melt away.

 

[Reefing Madness]

Please post the results of your watsr tests of the following please.
Ammonia
Nitrites
Nitrate
Phosphates
Alkalinity
Calcium
Temp
Ph
Sg
What lighting your using.
Softies need some flow but not intense. So what's your flow rate in the tank?