Seachem Focus is an antibacterial polymer for internal infections of fish. It may be used alone or mixed with other medications to make them palatable to fish and greatly reduce the loss of medication to the water through diffusion. Antibacterial polymer for internal infections of fish May be used alone or mixed with other medications Freshwater and marine medication Directions: Use alone or in combination with medication of your choice in a 5:1 ratio by volume. Feed directly or blend with fresh or frozen food. Feed as usual, but no more than fish will consume. Use at every feeding for at least five days or until symptoms clear up. This product is not a feed and should not be fed directly. Its intended application is to assist in binding medications to fish food. Buy It Now for Fish to Return to Health!