Best micron size for filter socks?

[wickedfrags]

Agreed. This is the best size.

Originally Posted by christyf5

I vote for 100 micron. Not as much laundry

I had both 50 and 25. The 50s lasted about 3-4 days and the 25s lasted just over 24 hours. The 100s last about a week which works better for me as Sunday is tank cleaning/maintenance day