- Location
- The Big City
First, Ich is a parasite, not bacteria. Second, in the wild fish are attacked by ich, and other parasites too, and are able to fight it off by a number of things, one being having a strong immune system. Most of these products, which don't kill the ich but rather do a couple of things. One being building up the fish immune system, which lets it fight off the ich, the other is putting a strong slime coating on the fish, so the ich can't get through or, in the case of garlic, the ich doesn't like the taste and wouldn't reattach. The problem with the skin thing is that ich attacks the gills, eyes, and mouth so the ich can attack the fish again. These products don't work and in the case where they seem to, it was probably something else and not the product.
Here is some good reading.
http://www.manhattanreefs.com/forum/pests/
Here is some good reading.
http://www.manhattanreefs.com/forum/pests/
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