And a few more interesting articles that I have found
Refugiums
http://blog.aquanerd.com/2009/09/can-refugiums-be-bad-thing.html
Waterchanges
http://blog.aquanerd.com/2009/05/water-changes.html
And just a really cool article
http://reefbuilders.com/2012/11/09/coral-goby-chemical-signals/