All ten results

# Paid Listing Claimed Magnet Interior Lab Result
1 $19 “Pure Copper Water Bottle” Body + cap Lined Copper-plated steel
2 $22 “100% Pure Copper, Ayurvedic” No response Lined Copper over aluminium
3 $24 “Hammered Copper Bottle” Cap only Lined Copper body, plated steel cap
4 $27 “100% Pure Copper · Lab-Tested” No response Lined Copper alloy, zinc content
5 $29 “Pure Copper, Hand-Hammered” No response Lined Copper, interior lacquer, machine-pressed
6 $29 “Ayurvedic Copper Bottle” Body + cap Unlined Copper-plated steel
7 $32 “99.9% Pure Copper” No response Lined Copper alloy, zinc content
8 $35 “Handmade Pure Copper” No response Unlined Solid copper, machine-pressed
9 $39 “Pure Copper, Leak-Proof” Cap only Unlined Copper body, plated cap, machine-pressed
10 $59 99.9% pure copper, hand-hammered No response Unlined 99.9% copper — matches the listing

Bottle 10 is the expensive one I bought as a control. More on that further down. Lab reports for all ten are linked at the bottom of this page.

CHECK AVAILABILITY 👉