Hypersalinity

[sphelps]

It will prevent ich if done properly but that's pretty much it for parasites, it won't do anything for velvet. However it's beneficial in other ways, it lowers stress in fish as they require less energy to maintain internal salinity so it promotes better adjustment to aquarium life so to speak. Suppose to help with getting fish to eat faster as well.

So it's beneficial for a quarantine process as it's not really a treatment. Really you want to observe the fish while in quarantine and only treat specifics if necessary. Being proactive with treatments like copper will just stress the fish out and lower it's chances of survival.