RINSE clean plastic containers and lids with boiling water. Dry thoroughly.

PIT and finely chop unpeeled apricots. Measure exactly 1-1/2 cups prepared apricots into large bowl. Add pineapple with its syrup and the lemon juice; mix well. Stir in sugar. Let stand 10 min., stirring occasionally.

MIX water and pectin in small saucepan. Bring to boil on high heat, stirring constantly. Boil and stir 1 min. Add to fruit mixture; stir 3 min. or until sugar is dissolved and no longer grainy. (A few sugar crystals may remain.)

FILL all containers immediately to within 1/2 inch of tops. Wipe off top edges of containers; immediately cover with lids. Let stand at room temperature 24 hours. Jam is now ready to use. Store in refrigerator up to 3 weeks or freeze extra containers up to 1 year. Thaw in refrigerator before using.