If you decide to make your own ff cultures from joshes frogs. I was told that you can take two plastic or glass cups. Line the top with a thin layer of olive oil. Slowly let the ff drop into the second cup. The oil catches the mites. Then when you put them into the new culture do the same...
How old is the female vs the male? Females take at least 3 weeks to mature, you will see them calling. Males a week. Males don't live long after adulthood. Its best if the female is adult at least 3 weeks prior to the male molting to adult. Good luck!
These are some of my H. goldens who actually turned pink. I have 3 adult females and two sub adult males that are this color. Should be interesting breeding these.