Does Marine Ich Go Away

No. It may fall off only to reproduce and it will eventually get all your fish. If they are healthy they can fight it off but it will always be in your tank waiting for a stressor to take advantage and kill them.

Can fish survive marine ich?

Fish can have repeated ich outbreaks, build immunity, outbreak again, recover again – and be just fine. Though, if the ich parasite infiltrates the gills, the fish will die. This can realistically happen at any time, if ich is present in your system. UV sterilizers don’t cause ich to fall off a fish.

Is Marine Ich always fatal?

Marine Ich is a common disease affecting saltwater aquarium fish and, unless you know how to deal with it, it can spread quickly throughout your tank. … Not only is Ich a quick-spreading disease but it can also be fatal if left untreated.