Innovative Marine Fish Guards?

atherislvr

New member
My IM Fusion tank is just about done cycling. I plan on stocking with a couple of tiny Trimma and Eviota gobies. Has anyone had luck using the fish guards? Reviews say everything from it works great to the guards build up lots of slime and stop working.

Im trying to look for options to prevent inverts and fish from being sucked up into sump while also not preventing waterflow issues. Open to any other suggestions.
 
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