Best micron size for filter socks?

[wickedfrags]

When it becomes clogged (water flowing out the top rather than through the sock) you simply remove it and wash it. Handy to have an few extra but not a requirement. The bags last for years.

Originally Posted by bv_reefer

i'm setting up a sump pretty soon and was wondering if i go 100 micron can't i just wash it out once or twice before replacing it, or does it get way too clogged even from the first use?