Thanks for all the interesting responses. Pasto, I looked up the CAT you're referring to and it says "RA-2". Have you used it on Fuji CA paper?
Room temp, I think you need to augment the developing time in proportion, so it would just get too tedious. The heater failure was mainly a manipulation error, which obviously I won't do again!
Mike: I have seen Unisource vans on the highways, and am glad to know they can ship chemicals. Can they be used to ship any chemicals?