Just make sure you change out the sock often, especially when you are using the smaller micron sizes. They will collect detritus quickly, and will start to degrade water quality by being collected in the sock.
I put my filter socks in the washer on the slow/gentle cycle with a little bleach. When finished, I run them through the rinse cycle one more time. Then, I let them dry thoroughly before using.
I've been doing it this way for over a year with no problems.
I normally drop the dirty ones off at my LFS and exchange them for new ones but if i can't make it up to the LFS thats exactly how i do mine and it doesn't seem to be hurt anything.
Yeah my LFS rocks! I love going to that store. Unfortunately i haven't been able to buy anything from there in awhile because of my tanks condition. But yeah my LFS lets us drop off the old dirty bags in exchange for clean ones.
I said new ones before and i meant to say clean ones...sorry
I put my filter socks in the washer on the slow/gentle cycle with a little bleach. When finished, I run them through the rinse cycle one more time. Then, I let them dry thoroughly before using.
I've been doing it this way for over a year with no problems.