Choosing Safe Water Bottles – User Guide

When choosing a safe water bottle the most important factor to consider is the material it is made of. Small amounts of the materials you eat or drink out of eventually end up in your body.

Common materials that water bottles are made of include plastics, metals, and glass. Each of these materials has advantages and disadvantages when making a safe water bottle.


Most water bottles are made of plastic. Plastic is a petroleum-based resin that is popular with water bottle manufacturers because it is easily molded or extruded. Most of today’s water bottles are made of synthetic, inorganic materials such as poylethelene and thermoplastic poymers such as polycarbonite.

Unfortunately, plastics may be the worst choice for safe water bottles. Plastic is light but can leach harmful chemicals into the water or liquid stored in it. Leaching is accelerated when the plastic is scratched. It can also be accelerated by boiling and the use of harsh detergents.

Some of the chemicals that leach from plastic interfere with hormones and have been linked to increased risk of birth defects, cancer, miscarrage, decreased testosterone in men, and developmental problems in children.


Although glass is an excellent material for a safe water bottle because it is inert and doesn’t react with liquids, it is heavy. The obvious shortcoming of glass as a water bottle is that it is fragile. This problem can minimized by a zippered foam wrapper.


The two main metals that water bottles are made of are aluminum and stainless steel.

Aluminum is the most abundant metal on earth. We get a lot of aluminum from aluminum cookware, over the counter pain killers, anti-inflammitory pain killers and antiacids. It can also be found in baking powders, antipersperants, bleached flour, table salt, beer and tap water. This abundance of aluminum is the biggest problem when it comes to safe water bottles.

Aluminum is a toxic metal that can impair liver and kidney function, accumulate in the brain, and can cause dizziness, tiredness and balance problems. Most aluminum water bottles have an epoxy inner liner. Some of these liners may be toxic as well.

A better choice for a safe water bottle is stainless steel. Stainless steel doesn’t leach, doesn’t easily stain and doesn’t interact with the products stored in it.

Another advantage stainless steel has as a safe water bottle is that it is difficult to break. It is recyclable, lightweight, durable and doesn’t alter the taste of its contents. It is chemical free and safe to use with hot liquids. Although some people complain of a metallic taste with a new stainless steel water bottle, it can be soaked in a distilled vinegar and water solution overnight to remove the taste. Stainless steel can be cleaned with baking soda and distilled vinegar or by shaking vinegar soaked rice in the water bottle.

So your best choice for a safe water bottle is stainless steel. Glass comes in a close second. You should stay away from aluminum or plastic as they are the worst choices if you are looking for a safe water bottle.
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