Filter sock vs filter pad

I have been using two stage filter pads and i still have small particular floating in my tank. Would filter socks be better?

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That's my problem 90% of the particals floating around in my tank is fine. About the size of water flies and smaller. I am going though a two stage filter pad a day and it still is not picking up the smaller particals. I use a pvc over flow so not much of the poop and such does not make it that far. I suck them out every other day. Then gravel vac once a week.

But at that point wouldn't be better to just change over?

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