I have a 18g Tall tank and i have just recently noticed ick on my swordtales this has happened to me before and when i used the medication it staind the silicone on the sides blue 
does anyone know of a good ick cure that wont stain the silicone blue (or green)and isnt harmfull to plants ? the medicine i used was quick cure my friend uses salt to prevent it but i dont think my plants or corys would like me very much if i did that
does anyone know of a good ick cure that wont stain the silicone blue (or green)and isnt harmfull to plants ? the medicine i used was quick cure my friend uses salt to prevent it but i dont think my plants or corys would like me very much if i did that