While an Epsom salt soak may seem like an extravagance for a chicken, it has medically proven benefits. Placing a chicken in an Epsom salt (magnesium sulfate) bath calms it so that you can assess it for illness or injury. We’ve added calming organic lemon balm, which is safe for chickens to eat. Be sure to consult your avian veterinarian before treating ill or injured birds. Arrives in a 1 pound resealable bag.