Hydroton clay in reef

[Fish-guy]

Anyone using hydroton clay balls in their reef filtration system. I've heard they are very porous and will help with beneficial bacteria.

 

[manbeast]

Hadn't heard of them before so I did a quick search and found this, doesn't sound to enticing
http://www.google.com/url?sa=t&sour...ioGICg&usg=AFQjCNEd9ItpWPT-0p2QgYmJCu3jB4Szww

 

[Fish-guy]

Thanks for the info.