Go sock less they say....

[tang daddy]

Originally Posted by Dearth

I used a wide spaced mesh I found at Michael's Arts and crafts the spacing was wide enough to not impede flow but small enough to stop snails and crabs from getting through.

Plus one for this idea, I notice snails and conches like to enter the skimmer pump volute too so I put them on both.

[Scythanith]

I used mesh over an old MP40 guard on top of the intake.