history: I found some mold growing out in the garage.  It took awhile to clean off I found some mold growing out in the garage Oh no_comma_ that's bad.   Have you had someone come out and check the hose?
current: I ended up cleaning it myself, I think I got most of it out
next: May be worth letting your insruance comapny know. Usually they have clauses that you have to tell them as soon as you see it otherwise they won't cover any of it.