I am sorry you are going through this.

I know you are getting a LOT of conflicting opinions on the humidity thing. One says high, the other says low. It can't be helping you right now.

I to had to deal with an RI, a very severe one in a female rescue who had been left in an empty house to freeze to death.

This is what I did and what worked for me. I quarantined her at once. I always checked on her last, and became obsessive about hand washing. I bumped up her temperatures a few degrees, and raised her humidity to around 85%. We went to the vet and got injections of antibiotics. Giving a snake a shot is not fun, but it can be done. For the first round of antibiotics, she was kept on high humidity. Which was recommended by my vet to keep the mucus thin so she could breathe easier. Low humidity make the mucus thicker and more difficult to clear.

For her second round of antibiotics, which the vet gave me at my request because I didn't feel she was completely over the RI, I lowered the humidity back to normal. It took a full month for her to get over it completely once I started her on medication. And she it took another three before she ate again. However, once she was back to eating, she got better fast and is breeding for me this year.

I wish you and your babies all the best.

Gale