“Don’t always assume that reusable is the best option,” - For example, stainless steel bottles. Stainless steel can leach metals, such as nickel and chromium, i

“Don’t always assume that reusable is the best option,” - For example, stainless steel bottles. Stainless steel can leach metals, such as nickel and chromium, into your water. While the amount of metal that leaches is usually small and considered safe, people with nickel allergies or other health concerns may want to avoid using stainless steel bottles.