Numbering system: Males . Females . Unsexed . Eggs. So, 1.0 means 1 male, 2.0 means 2 males, 0.2 means 2 females, and 1.2.3.6 = 1 male, 2 females, 3 unsexed, and 6 eggs in the incubator.
Keep the humidity up in her enclosure and every few days take a warm, damp cloth and gently rub the stuck shed, going toward the tip of her tail, to try to remove it.
Can't help with the substrate as I've never used that type, only newspaper and cypress.