Clogs up pretty quickly and a lot of crap comes out when you flush, so you know they filter well! I recommend making a fender like I did. I don't have a sink so I use the hot tub with very high water pressure. I flip the sock and run it under high pressure. The problem was that the walls and surrounding area were spattered with water when I was done. So I took a 5 gallon bucket, cut a full sized piece of soap into the bottom and washed the sock in the bucket and it covered the spills nicely. Now it's a lot easier and faster with less cleaning so I won't put off cleaning the filter lol. Much luck!
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