Overview
Bacterial infection
Aeromonas hydrophilia
Ichthyophthirius (freshwater) / Cryptocaryon (saltwater)
Columnaris
Cotton-like tufts of white fiber. Almost always a secondary infection (appears when fish is already infected with a disease). True fungal infections, while unsightly, generally do not pose an immediate danger to fish.
Directions
When the treatment period is over, PolyGuard™ can easily be removed using activated filter carbon like MatrixCarbon™. It does not linger in the substrate or filter media of the tank.