Fish stock is similar to clam juice as fish stock provides your dish with a similar seafood flavor profile.
You can also use a combination of chicken stock and water in a 50/50 ration or a small amount of fish sauce.
Fish sauce makes the best substitute for clam juice as fish sauce has a similar umami flavor although you should use a smaller amount because fish sauce is often quite salty.
You can also use a combination of fish stock and some chicken stock depending on what you're cooking.
You can also use a good quality seafood bouillon.
Clam broth is basically the same as clam juice as clam juice and clam broth is the liquid that is extracted from the steamed clams.
However clam broth sometimes contains some additional ingredients such as seasonings which makes it a more diluted version of pure clam juice.
Clam juice is often more concentrated in flavor when compared to clam broth.
Clam juice lasts for 1 to 2 years when unopened and stored in a cook and dark place like a pantry.
Once opened the clam juice will last 7 to 10 days and must be kept refrigerated.
After 10 days the clam juice after opening should be thrown out as it can contain bacteria and make you sick.
Clam juice is often used in clam chowder although you can also use the clam juice in other seafood dishes.
Clam juice also goes well with pasta, vongole and risotto as well.
The clam juice is also used during the deglazing process in cooking.
The use of clam juice can provide a mineral-like flavor to dishes, and serve as a substrate to assist in combining flavors present in a dish.
Some people also drink clam juice as it's a great source of vitamin B12, protein and omega 3 fatty acids as well as iron which is good for your health.
To get juice from a clam.
Rinse the clams with water to remove any sand or dirt.
Add cold water and clams to a stock-pot, put the lid on the pot.
Cook the clams until the clams open up, which will take about 3-5 minutes.
Remove the cooked clams from the ``juice.'' and be toss out any clams that did not open up, as they are not safe to eat.