"However the tail rot took about 60% of the oranda's tail.
How long does it generally take for the tail to grow out?"
The edge will look impressively smooth and healed in just a couple weeks but it will be months for the tail to regain it's original length - worse, there will always be a defect in the tail at the original "blast line" where you got the brakes on the infection.
Fish disease problems? Need some help? The help pages take you through the basics of the 'fish health work-up' diagnosis method and basic fish disease treatment methods.
90% of all health problems and fish deaths are caused by poor fish keeping! The key pages are essential reading for all beginners and intermediates who are serious about disease prevention.