Are any tank meds usefull alot of you ppl seem to hate them...."just throw in some salt they will pull through".... my friend at the LFS(not petco,petsmart,pet land, hes local) always recommends melafix depending on symtoms says its all natural and not harmfull to non infected fish is this true ....id like to belive him he seems knowledgeable. are any tank meds good??? or should i use salt...lol.....if any are usefull what symptoms/condisions do they treat???????

