I need a good source on a kalkwasser top off how to

[docmal]

I was wondering if anyone wanted to let me know how to do this auto top off with kalkwasser and what it benefits..

[Mushroom Boy]

Here are a few kalk articles:

http://www.animalnetwork.com/fish2/aqfm/1998/july/bio/default.asp
http://www.animalnetwork.com/fish2/aqfm/1999/aug/bio/default.asp
http://www.animalnetwork.com/fish2/aqfm/1999/oct/bio/default.asp
http://www.connix.com/~reefkeep/17.htm

HTH
Paul.