how much salt and sexing

Question
Hey we have just bought 2 hermit crabs and i was just wondering how much salt do we have to give them in there bath and i was just wondering how do we know what agenda they are !!!! thanks so much !!!!

Answer
Please use this link for a thread that shows the gonopores for a female crab.
http://hermitcrabaddiction.net/forum/index.php?topic=50.msg434#msg434

As for salt, it cannot be table salt. The directions should be on the package for the aquarium salt you bought. Follow those directions.