Clears Ick Fast Also guards against secondary infections as a result of wounds left by the ick parasite. No need to raise the water temperature. Use Ick Guard II on small, weak or scaleless fish. Details: Use half strength on Tetras or small fish, or use Ick Guard II. Remove activated carbon during use. After 24 hours, change 25% of the water and dosage may be repeated if needed. No need to remove snails. Mfg. Item No. Size NJ048 9 lb. (4082 g) Treatment Contents Treats 1 tsp./5 U.S. gal. (5 g/20 L) 4,320 U.S. gal. (16300 L) INFO FROM UNITED PET GROUP