So, I noticed that as water flows into my overflow (it's an Aquatop Recife Eco 40g AIO), that the surface of the water is being skimmed. It appears that the surface, which has a fair bit of residue on it (from the live sand), is doing two things: It bypasses the overflow and for the bit of surface crap that goes in, it get spit right back out.
Any suggestions on a solution? Thanks!!
Any suggestions on a solution? Thanks!!

