Posted by Colene on October 14, 19100 at 20:04:03:

In Reply to: Looking For Source of Plaster Retarder(w/group suggestions) posted by Derek on October 14, 19100 at 20:00:06:

FYI - These are cut from saved messages about citric acid in a thread on using it for pickle on the Orchid list:

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citric acid sources:

The King Arthur Bakery site: http://www.kingarthurflour.com/ - catalog.

There are several scientific companies, Cole Parmer, Fisher Scientific, Abbott, etc. who have websites. You can get their catalogs and order

citric acid from them.

Carolina Biological Sciences: http://www.carolina.com. They are very helpful and have all kinds of goodies geared to education.

. . . .health food store, home brewer's supply, etc. - try www.from-nature-with-love.com in New York. Their price is $2.50/lb.

And my 2c: I use generic supermarket lemon juice concentrate for pickle, though I have no idea if it's useful for retarding plaster setup.

Colene

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