Copper Power (Endich) ACP0004B Blue Treatment for Marine Fish, 4-Ounce A SAFE, EFFECTIVE COPPER TREATMENT FOR MARINE FISH USED AT 2.5 PPM COPPER; NEARLY 5-TIMES THE NORMAL TOXIC LEVEL OF COPPER IN SALT WATER COPPER POWER'S HIGHER CONCENTRATION LETS YOU -Inch BLAST-Inch AWAY DISEASE