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Agar Sizing

to 100 ml of distilled or de-ionized water add 2 grams of agar (also called agar-agar)(make sure you get the off white stuff, not the colored)

Bring the mixture to a boil to dissolve the agar. [microwave works great, but watch carefully for boilover]

Pour the mixture into a clean Pyrex baking dish big enough to fit your paper. Float your paper on the surface of the agar mix. Remove from the agar and drain off excess, then rotate the paper 180 degrees and hang to dry.

The agar sizing will improve the clarity and depth of the prints immensely.