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Jan 29, 2009 08:35 AM

Where to buy Rennet / Citric Acid Powder?

I know this question was asked last summer, but I thought there might be some new intel on the subject.

My online order hasn't come in and wanted to get started this weekend on some new cheeses.

Does anyone have a local source for rennet, citric acid & starter cultures?


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  1. I buy citric acid for canning & pastry at Rainbow Grocery, in the back left corner of the store where the mason jars are kept (citric acid in water keeps things from browning as you prepare apples or whatever). I've never looked for rennet there, but they very possibly have vegetable-based rennet; if you're set on animal rennet Rainbow almost certainly won't have it.

    2 Replies
    1. re: SteveG

      SteveG is correct. You can buy Citric Acid and Vegetable-based rennet at Rainbow Grocery. You need to ask the cheese person they will get it for you. For some reason it is not on their shelves but I'm betting it has to do with the tiny container and high price.

      Rainbow Grocery
      1745 Folsom St, San Francisco, CA 94103

      1. re: billraymond

        They told me it is very light sensitive--it degrades if exposed even to indoor light. So they keep it in the back, refrigerated and in the dark.

    2. I bought some citric acid recently from Vik's in Berkeley, but I don't think they have rennet.

      1. I just checked at El Cerrito Natural Foods and they led me to the refrigerator spot it would be in if they had it. Alas, they didn't.

        1. I've made a lot of cheese and have never found a local supplier for rennet or cultures. Pity, huh?

          1 Reply
          1. re: Carrie 218

            Oh well, guess I'll have to do soft cheeses this weekand. And learn to pay attention and keep stocked up on culture & rennet. Citric acid powder isn't that big of a deal since there are easy substitutions.

            Thanks all!

          2. We have been buying cheese-making supplies from the Food Mill in Oakland.