Use a torch to check it out in the dark.i cant check it in the dark, if it has a foul smell its dead?
As long as the rock is moist,it will be fine.Does not have to be submerged in waterif rock gets sent from let say Joburg to durbs it will need to be cured as all the living creatures will have died unless the rock is couried down in water, is this correct?
If it has a foul smell,it needs to be cured.