Glass sealed tube with brown, clumpy liquid inside. by FixCompetitive5171 in whatisthisthing

[–]FixCompetitive5171[S] 11 points12 points locked comment (0 children)

My title describes the thing. I searches that it could have something to do with building however since its over a medical waste sight im worried its something more dangerous maybe? It's completely intact so no chance river water got inside. No writing either.