You need to buy a multivitamin supplement and a calcium sullement that contain vitamin D3. Dust the crickets with the two supplements by placing alittle of the dust in a ziplock baggie and shake gentley to coat the food then offer them to your frog. They will help with growth and if he has temps around 80 to 85 F will also help growth along with 75 to 80 % humidity. Maintain a temp gradient within your pacs home so if he gets hot he can cool down and if he gets cold he can get warm. Always give them a choice.