Just knock first. If it says come in then it is alive. If not then watch out cause it is either dead or mad at you for leaving it in a trash can for two years.
Seriously, I don't know. I am very curious as to the outcome of this so I will be watching for the answer and the final reveal.
125g mixed reef, 55g sump, Eshopps S-150 economy cone skimmer, 2-250/400 Lumatek ballasts, 2-lumen bright 250/400 pendants w/ 20k bulbs and four 54w T5's 2 actinics and 2 10k bulbs