The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
My guess is that the Admins/Mods haven't gotten around to fixing the links since the forum software was upgraded.
The Articles can be found by following the Articles Link in the menu bar at the top of the page and the threads should be findable by searching for the listed topics.