Useful article - silica in tanks

[Jmck]

http://advancedaquarist.com/issues/jan2003/feature.htm

found this article, its a good read, probably the most comprehensive explanation on silica on the net for aquariums

 

[ccCapt]

All the article by Randy Holmes-Farley are about the best you will find.
Here's a listing of most of his articles.
Reef Chemistry Articles - Reef Central Online Community Archives