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Purpose of borax?

Posted: Sat Aug 12, 2017 3:03 pm
by ScottC
Does anyone add borax to their carrageenan? I recently read a book on marbling, and they suggest preparing the size with borax added. Is it used in this case to soften the water or balance the pH?

Re: Purpose of borax?

Posted: Sun Aug 13, 2017 12:30 pm
by Marblemad
I read in an old book that it was used to prolong the life of carrageenan when they used the actual moss but there may be other reasons