Optiphen Plus

1/2 fl. oz. (15ml), 1 fl. oz. (30ml), 2 fl. oz. (59mll), 4 fl. oz. (118ml), 8 fl. oz. (237ml), 16 fl. oz. (473ml), 32 fl. oz. (946ml), 64 fl. oz. (1,893ml), 1gal (128 fl. oz.) (3,785ml), 5gal (640 fl. oz.) (18,927ml), 55gal (7,040 fl. oz.) (208,198ml)