BTW My parameters are :
0 ammonia, nitrite, nitrate, phosphate.
SG 1.023 ( LFS SG 1.019)
Alk 11 dkh (LFS Alk 15dKH)
I bought it last week and acclimated it within 1.5 hr
no signs of necrosis
Started out by sticking to the glass, and now its laying on the sand with slight movement every now and then.
thanks again