Discus Fish Guru Textbook[](http://www.discusfishguru.com/DiscusFishGuruTextbook.html) ATTENTION: Only for bonafide fish keepers who are willing to be serious.... We expect that since you intend to be SERIOUS about this hobby and you understand that for any hobby/activity/sport, you have to be willing to be disciplined and properly understand the WHY/WHAT/WHEN/WHERE/HOW. There’s NO SHORTCUT to life and NO FREE LUNCH and there’s certainly NO SUCH THING AS MAGIC either. This book is not for the skiving, lazy