How to best clean nylon hop-bags?

So I've done some extract brews + some partial mash brews and I notice my hop-bag is getting harder to clean - it's definitely less white than it was when I bought it, instead it's a nice dull green...

And recommendations on how to best clean nylon hopbags & get them back to white?

Not sure they ever get back to white. Once I get most of the hop material out I then dunk in sanitizer that is left over and then hang to dry. Then store in a zip lock bag until next time. Then I sanitize again before use. You might also try boiling.

Hot oxyclean or PBW works pretty well. I have thrown mine in with the laundry before, but make sure you rinse it well with hot water and don't use a fabric softener.

Lately I have been thinking that I don't get the same hop utilization as with the muslin trow away types. I now only use the nylon ones for dry hopping in the keg.

PantherCity said:

Hot oxyclean or PBW works pretty well. I have thrown mine in with the laundry before, but make sure you rinse it well with hot water and don't use a fabric softener.

Lately I have been thinking that I don't get the same hop utilization as with the muslin trow away types. I now only use the nylon ones for dry hopping in the keg.

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Your right the oxyclean would work great.

They don't need to be cleaned unless you wan to or unless you are using them for dry hopping in which case you can soak for a few minutes in starsan or bleach before rinsing and using. I clean mine up with good old H2O and call it good except for the dry hop use. You are afterall boiling them. I have had a couple that were so dark that I just decided to retire them. If you have not discovered the nylon paint strainer bags at Home Depot are the same thing you need to. Cut the elastic out of the top and melt the top to seaol the fabric if you want by running over a candle flame or just cut them and let them fray....you end up with them cosing less then a buck each.

Have you tried throwing it in with your laundry?

That's what I usually do. Then if I am using it for dry hopping I will usually boil it in a pot of water for a while to sanitize it just before adding it to the fermenter.

Yeah, I dry hop with them... I've been letting them soak in hot water, didn't think of using some of my cleaner! I'll give that a try after a good boil.