Fish Soup without tilapia water dijon

1 1/2 kilograms fish trimmings * 3 litres water * 1 x salt * 1 x peppercorns whole * 2 large onions chopped 2 each garlic cloves crushed 2 each leeks white[...]

1 pound flounder * 1 x fish bones * 1 each bay leaf * 4 each parsley sprigs * 2 each lovage stalks * 6 1/4 cups water cold 1 x sea salt * 6 each black[...]