Do you keg or bottle?
I have had mixed results soaking permeable hoses in brewery wash. I detect a soapy flavor for two to three beers afterwards. I simply soak hoses in hot water and air dry. I replace them ~annually or so.
However, I am pretty anal about disassembling, cleaning, air drying, reassembling, and sanitizing hardware — especially ball valves.
I believe iodophors will kill it once the item(s) are thoroughly cleaned.
okay, sorry i forgot to mention a few important details since i was in a rush.
1. i only bottle. some bottles are very clean, some have a sort of beer-stone film that i havent been able to remove fully even with mixes of PBW, scraping with a bottle brush and hot water.
2. this has been an ongoing thing
hit or miss for several brews. ie. some beers do not do this at all, generally if they are well attenuated and especially if they do not have significant quantities of roasted malt (unfermentables/dextrins??), but this has been an issue on maybe 4 or 5 beers in total now. no bottle bombs yet knock on wood.
thanks for the note about the hoses retaining aroma/tastes. i might do a full soak in a bucket with slightly stronger than my usual solution of iodophor. i usually spray out that stuff.
high heat might also be an option for a lot of this stuff like pasteurization temps of say 160F for a time period.
thanks