I have a 7.5ft, 16.5lb. aregentine/columbian boa cross i rescued back in april. The previous owner knew he had a URI for 3 + years and did nothing about it.... he was open mouth breathing all the time, had mucus constantly clogging his trachea, his fork in his tongued couldnt even split the mucus was so thick, his mouth was white all over.... i brought him to the vet and they said even with antibiotics it could go either way, after a month of daily injections he was healthy but still made some strange noises at times when breathing i was told this was due to scarring on his respiratory tract. I cleaned his cage with a 10% bleach solution, rinsed 5 times with hoy water and air/fan dried for 3 days. I keep his hot spot at 95F, cool side is 78, humidity is around 55-60%. I moved 2 weeks ago into a basement and he has a URI again... so i got him on injections again for 2 weeks starting 12/22/15. His mouth still has good pink color, theres quite a bit of mucus, he has swelling on the top of his nose but hes eating good still. I asked the vet if i should purchase F10SC(as its been recommended by other herp keepers) to clean, sanitize and disinfect the enclosure. My vet said not to use it and just use hot water to clean the cage. She said the F10SC could be enhaled but the tender, irritated respiratory tissues and since it seems like he has chronic URIs to just use hot water. I need to know what will be the best for my Gluttony. I have no other enclosures to put him in for now, I'm hoping for a quick method so i can do it all in one day and place him back in the same day i start cleaning. When should i do the cleaning(before hes declared healthy or after?) What should i use to do it? Can the cleaner also be used on his repticarpet and water tub?