Cut rinds from citrus fruit into thin strips. Set aside.
Squeeze juice and pulp from orange, lemon, and lime into a bowl. Set aside.
Bring rind strips, 2 cups water, and red pepper to a boil in a saucepan. Cover, reduce heat, and simmer 25 minutes or until rinds are very tender.
Add blueberries, sugar, and citrus pulp and juice to saucepan. Bring to a full rolling boil; boil, uncovered and stirring often, 15 minutes or until a gel forms. Remove from heat; skim off any foam.
Pour hot mixture immediately into hot, sterilized jars, filling to 1/4 inch from top. Remove air bubbles; wipe jar rims. Cover at once with metal lids, and screw on bands.
Process in boiling water-bath 10 minutes.
*2 cups frozen blueberries, thawed, may be substituted.
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