Kensington Reefer
Supporting Member
Best fishes and happy reefing
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Thanks!
It really depends on the quantity of solid objects (food, algae, snails) running down the drain and the overall size of the sock. My larger sock will last 1-2 weeks before clogging and overflowing. If I was more responsible, I would change them out once a week.
In my opinion, they are great mechanical filtration. They keep the bottom of my sump relatively clean and are not that difficult to maintain. Just treat them like socks for your feet. Buy enough to last a while between washing and change them when they start getting "funky".