Itch in planted tank

["drajitathale" <drajitathale at hclinfinet_com>]

I need guidance as to treat itch in two shark fishes in my 10 gallon planted
filterless tank.
Other inmates are two mollies.

I read about salt and methylene blue.
About salt, I am hesitant as it could damage plants.

dr ajit athale
Baroda, India.