Carolina Handy Shakers of Rep-Cal Calcium with D3 and Rep-Cal Herptivite Multivitamin; PLUS One Refill of Each We use our Carolina Handy Shakers to dispense these necessary supplements on our bearded dragons daily salads after misting with water. This way they sticks to the salad. We use the Calcium six days a week and the Multivitamin one day a week. Each shakers and refill contain 2.3 ounces of Rep-Cal Calcium with D3 or Rep-Cal Herptivite Multivitamin.