ObolskY;4742225; said:im putting sand in my 55g and i've read reviews about sand getting into aqualclears then it gets really loud and thats something i don't really want that
That can happen with any filter, but you can place sponges over the intake to avoid it.
I use these to keep fry out, works for sand too.
http://www.fosterandsmithaquatics.com/product/prod_display.cfm?pcatid=21426