Here are the links to all Lead Safe Mama posts on clear glass: Bottles, cups, mixing bowls, and food storage
Voss Glass Water Bottle (c. 2018): Non-detect (negative) for Lead, Cadmium, Arsenic, Antimony & Mercury!
Red markings on Lady Lane Farms glass milk bottles, Garry’s Meadow Fresh: 20,500 ppm Lead (90 is unsafe for kids).
Dr. Brown’s Natural Flow Glass Baby Bottle: Lead-free, but trace Cadmium found in the glass of the bottle & nipple