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You are here: Home / Asian Ingredients / How to Buy Fish Sauce: A guide

How to Buy Fish Sauce: A guide

November 30, 2008 By Andrea Nguyen 43 Comments

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Fish sauce
If you want to stock your kitchen with the bare minimum for preparing Vietnamese food, start with good quality fish sauce (nuoc mam). How do you judge fish sauce?  Look for a light amber color and the words nhi or thuong hang on the label.

These terms indicate that the condiment came from the first extraction of liquid from the fermented fish, and is of the highest quality. Grades of fish sauces are similar to that of olive oils.  That is, extra virgin olive oil is more flavorful and costlier than virgin olive oil.  This same rule applies to judging different fish sauces.

Also keep in mind that fish sauce is also used in Thai and Filipino cooking, where it tends to be saltier and heavier in flavor.  So, even though Thailand produces most of the fish sauce sold in the U.S., you need to make sure that the condiment you’re buying is made in the ‘Vietnamese’ style.  How to do this?  Look for Vietnamese lettering alongside the Thai script. 

Fish sauce hontext
Sometimes, the terms Phu Quoc and Phan Thiet are included on the label to signal a connection with these two famous fish sauce-producing areas in Vietnam. Fish sauce from Vietnam now sometimes use "Hon Phu Quoc" or "Hon Phan Thiet" (see image on left) to indicate that their product came from islands in those regions; hon means islands, and communicates a more authentic Viet condiment (versus a Thai product, which may not be clued in on such linguistic subtleties).

About five years ago, One Pigeon brand from Vietnam offered different grades of fish sauce, using degrees on its labels to reflect how much the nuoc mam has been diluted with water before bottling. For example, "25° dam" means there's 25% fish sauce in the bottle. When I contacted the producer, he said that most fish sauces are 20%. One Pigeon came in several intensities. The higher the degree, the more you paid. That's how it is in Vietnam. Sadly, that fish sauce didn't last in the U.S.

Fish sauce 25damtxt 


If ca com is one of the ingredients, that's an indication that the end product was made from a high quality anchovy native to the waters surrounding the island of Phu Quoc. Though I like Viet Huong’s "Three Crab" brand for its consistently delicate flavor, aroma and color, I often try newer brands. Please note that Three Crabs and Flying Lion are both made by Viet Huong. The former is lighter in flavor than the latter, according to the Chung family that produces it.

 
Some are saltier while others are sweeter. Let your palate be your guide. Depending on where you shop, there may be as many as a dozen brands to choose from.  As price is often a reliable indicator of quality among Asian groceries, select a mid to high priced fish sauce (about $3 to $4 per bottle!). If you buy online, fish sauce will cost a little more.

Hot to shop for fish sauce:

  • Fish sauce nhitextShop price — choose mid to high price.
  • Buy glass over plastic bottles as glass indicates a better quality product.
  • Look for Vietnamese style fish sauce which is lighter in flavor than Thai nam pla or Filipino patis.
  • Fish sauce with an amber-red color is better than dark coffee.
  • Reliable brands I stick with: Three Crabs Brand Fish Sauce and Flying Lion; both are made by Viet Huong. Both are sold at Asian markets. If they're not available, use Tiparos Thai Fish Sauce or Thai Kitchen.
  • Transport fish sauce standing up in your car, lest it leaks a bit; the bottles are seldom well sealed.

How to store fish sauce:

  • If you use it often, keep it in a dark cupboard.
  • If you seldom use it, refrigerate it where it will keep for months.

How to use fish sauce:

  • You can always add more but it's harder to take it out of foods.
  • I combine fish sauce with salt in cooking foods because the savoriness of fish sauce isn't the same as salt.
  • Old school Vietnamese cooks use lower quality fish sauce for cooking and reserve pricier fish sauce for dipping sauces. If you can afford it, and I hope you can, use only the good stuff. Your food will taste consistently good.

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Filed Under: Asian Ingredients, Essentials: Fish Sauce

« Pumpkin Soup with Lime Leaf and Coconut Recipe
Homemade Sponge Cake Recipe (Banh Bong Lan) »

Reader Interactions

Comments

  1. Rosa

    December 2, 2008 at 10:10 pm

    Thanks for the useful information! Fish sauce is an essential ingredient in my kitchen! I even use it in many Western dishes (the Romans had a similar fish sauce, so it is not a heresy)…
    Cheers,
    Rosa

    Reply
  2. pho80

    December 3, 2008 at 2:09 pm

    My favorite fish sauce is the one big blue crab brand. The three small crab brand is too salty for my taste.

    Reply
  3. Andrea Nguyen

    December 5, 2008 at 8:44 pm

    That’s right, Rosa. The Romans had liquamen made from salted anchovies. They used it in desserts too! It’s still made in parts of Italy. And, look at all the anchovies used in Italian cooking for great savory depth. It’s not a novel idea but rather a resourceful one!
    Pho80 — I’ll look for the one big blue crab brand! Thanks for the tip.

    Reply
  4. shavedicesundays

    December 11, 2008 at 9:17 pm

    I pretty much use the Three Crabs brand too. Very informative post!

    Reply
  5. Pam

    January 6, 2009 at 4:29 pm

    How about a gluten-free version of fish sauce. I have used Three Crabs for years but because of recent dietary restrictions I need to seek out a gluten-free variety. Any ideas??

    Reply
  6. Laura Dwight

    January 21, 2009 at 6:47 am

    I google searched on fish sauce and gluten and came up with a passage from Let’s Eat Out!Your Passport to Living Gluten and Allergy Free By Kim Koeller, Robert La France that had some good advice about how to check for gluten in fish sauce. They cautioned that fish sauce processed in Hong Kong should be avoided since the additional processing can mean additives. The section that was quoted was on Thai restaurants and they said that ‘top quality’ fish sauce is gluten free and named the following

    Reply
  7. Will

    March 24, 2009 at 9:30 pm

    Wow…thanks for the information, I’ve been struggling with fish sauces for years, never seeming to get the right consistency, color or taste and after searching out the right products…wow! Thanks.

    Reply
  8. Thomas Luk

    April 28, 2009 at 11:02 am

    Can anyone provide detailed information on how to contact the manufacturer of the one pigeon brand fish sauce from Vietnam? much appreciated

    Reply
  9. Andrea Nguyen

    May 20, 2009 at 10:54 am

    Try it out, you’ll find it interesting.

    Reply
  10. Tammy

    July 8, 2009 at 11:13 am

    My mother used the Three Crabs brand and so I have to use what my mother used. I have often wanted to try the other brands, but it feels so wrong! Years of my life with food influenced by that brand… how can I switch? 🙂

    Reply
  11. Andrea Nguyen

    July 10, 2009 at 11:16 am

    Three Crabs is good, but the Viet Huong company makes several brands that quite good. Go for price.

    Reply
  12. Thanh Viet

    March 27, 2010 at 7:11 am

    Hi Andrea,
    last month when I was in Hanoi, I took a picture at Intimex for you… They had 55% Nuoc Mam… posted it on your Facebook page.

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  13. Andrea Nguyen

    March 27, 2010 at 10:48 am

    Thanks, Thanh Viet! I’ll check it out.

    Reply
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    wher I can buy vietnamese sauces,like nouc mam and others???

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    I have a large bottle of fish sauce (about the size of a wine bottle) and at the rate that I use it I will probably be able to will it to my children and I’m not that old. What is the average shelf life of fish sauce once it’s open and what is the best way to store it?

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  41. Vicky

    February 29, 2012 at 10:37 am

    Great post! Very informative. I bought a fish sauce once that was very dark in color and I could actually taste it spoiling the finished dish. From now on I use the three crabs brand or the Tiparos one if I can’t find the other.

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  42. Shaz

    November 16, 2017 at 7:21 pm

    Thanks for this incredibly useful guide! I’ve never been sure what to buy and almost always have ended up with fish sauces that didn’t quite seem right for what I was making.

    I hooe now to make better informed choices!

    Reply
    • Andrea Nguyen

      November 18, 2017 at 6:37 pm

      My pleasure. Glad to be of help.

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