Here is a tread which leads to the AM s cone skimmers. There a credible members on this forum that have spoken about the cones on the bubble plate.
I believe they are great skimmers. As a matter of fact I just bought a EM 300 for my tank. I hope AM skimmers don't loose credibility do to some trendy design that experienced reefers will pick up on
![Wink ;) ;)](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png)
He is a link below. Perhaps we can send a friendly message to JNS. HTH
http://reefcentral.com/forums/showthread.php?t=2338321