How to keep overflows from clogging?

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seove

Aquarium Advice Activist
Joined
Sep 9, 2014
Messages
113
Location
Northeast Ohio
What are your methods for keeping overflows from clogging while keeping small fish and fry from getting sucked in? In my FW, I wove a strip of pot scrubber material in the overflow box teeth and for my PVC overflow, I'm using a sponge tube. However, I'm getting a little clogging at the teeth of the overflow box. I'm also getting a buildup of detritus inside the overflow box. I need to think about trying to get some of it out at some point. Sometimes I jiggle the U-tubes and some of it gets sucked up.
 
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