The Basics

[Shwin]

JW, do you know when the idea of cycling started to become popular in the hobby?  Is it relatively new (last decade)?

[DavesGirl]

An interesting article on fishkeeping history in general.  http://www.myfishtank.net/articles/historyoffishkeeping.php

Cycling would be a big part of "water freshness" and has always been a little on the scientific side for those that cared to learn  Your question is interesting to me and I'm  off to google more info on it...