Silph Co.

Calcium sits against the west wall of 7F's southwest room, 3 tiles west and 1 north of Scientist Joshua.

TM08 (Bulk Up) sits against the east wall of 7F's east-central room (Card Key needed), 4 tiles east and 2 north of its south door.

Zinc is hidden in the southern of two plants in 7F's east-central room (Card Key needed), 3 tiles south and 2 west of a door.