what is this on my LR?

salt0727

Member
Hi, everyone im new here and to the hobby. I just bought some LR from someone who was getting out of the hobby. im wondering what some of the white stuff on it is. Any info would be much appreciated

 

salt0727

Member
the rock was out of water maybe only a few moments we took it out of the someones's tank and put it into buckets with tank water right away.
 
Top