We're a small lab in London, and are restarting our film processing service, as mail order only for the time being. We're planning to let all postal packages sit for three days, to allow potential virus to expire.
I was wondering about spraying 35mm cassettes, and undeveloped 120 rolls with Isopropyl alcohol as a method of speeding up the cold hard killing of any nasties. Any thoughts as to whether 99% IPA would cause any damage to the film?