Originally Posted by lochaber
That's a pretty common concern, but almost everytime it comes up, several people will post stating they have blasting grit, and all their cories have great barbels. Usually the barbel damage is attributed to poor water conditions.
Okay thanks. Do they sell Black Diamond at OSH or Home Depot? And how much for a 20l? It looks like one bag is 50lbs which seems like it would be more than enough right?