I don't know if you need to join the forum to see this or not but here is the link, one of the best maintained tank I must say:
http://www.aquascapingworld.com/threads ... post-67414
FYI to all: he's the same man who initiated/invented the EI method of dosing and is the author of the Barr Report, which atleast I follow to everyword!!
Forum for discussion on substrate and fertilizers used in aquariums