Here are some links , that can serve us well in venturing into the keeping of African cichilds, if you have some more to share please PM them to me.
Courtesy of buntbarsch.ca
http://www.buntbarsch.ca/index_files/Page704.htm
http://ovas.ca/index.php?page=77
Courtesy of cichildforum.com
Bloat
http://www.cichlid-forum.com/articles/malawi_bloat.php
GH, KH, and pH for the Advanced Hobbyist
http://www.cichlid-forum.com/articles/gh_kh_ph.php