Hi so I’m new to this forum but I have issues with my Amazon milk frogs they just keep passing away on me and now I only have 3 left. Anyways so I have them in a 20 tall tank they have a humidifier and ya bulb and a small spot light max temp reads 82.8 min 67.1 humidity ranges from 99% to 73% they are on coconut husk substrate and I feed them fruit flies mostly with powder but right before they die they get all swollen and stay on the ground I don’t know what to do. I thought Amazon milk frogs were suppose to be hardy also they are babies about thumb nail size.