How Long Can You Use a Reusable Plastic Water Bottle?

We LOVE our healthy reusable water bottles here at TheRoundup.

Seeing as you’re here reading this article, I think it’s safe to assume that you share my passion for eco-living, and in particular, eliminating single-use plastics.

It’s probably also safe to assume that you probably have at least one reusable water bottle you use daily.

Plastic is the cheapest reusable water bottle material. But how long can you use a reusable plastic water bottle before you need to replace it?

And what about other water bottle materials? How long do they last?

Well. It actually depends on multiple factors. Read on to find out exactly what they are.

How Long They Last Depends On The Material They’re Made From

In my reusable water bottle materials article, I discussed the six primary materials used to make them.

So, it makes sense to break this article down by those water bottle materials.

Plastic Reusable Water Bottles

For reusable plastic bottles, durability depends mainly on the type of plastic they’re made from.

Polycarbonate and PET plastics are some of the most common in reusable bottles. However, both have different lifespans.

A polycarbonate water bottle typically lasts between 1-2 years, while a PET water bottle typically lasts 2-3 years.

Check the recycling symbol (usually found on the bottom of your water bottle) if you’re unsure what plastic was used to make it.

Stainless Steel Reusable Water Bottles

At the top of the pile when it comes to durability, stainless steel bottles can last almost indefinitely if looked after properly.

When your bottle is made from high-quality 18/8 food-grade stainless steel, you shouldn’t have any issues with rust or wear and tear if you take care of it.

Glass Reusable Water Bottles

Glass bottles can also last a long time as long as they don’t get dropped or broken.

If you carefully handle your glass water bottle, it should last as long as stainless steel.

Aluminum Reusable Water Bottles

Aluminum water bottles are also durable but often not as durable as glass or stainless steel. They’re prone to denting because the metal used is usually relatively thin.

It’s also worth pointing out that aluminum can discolor and oxidize when it comes into contact with acidic drinks.

This is why most aluminum reusable water bottles are lined with a coating (usually some form of plastic). This is also why I tend to steer clear of aluminum bottles.

Silicone Water Bottles

Silicone water bottles are usually one of the more affordable options, and they can last for up to five years with proper care.

Silicone is often used for space-saving collapsible bottles. It’s hard-wearing and easy to clean.

Copper Reusable Water Bottles

Copper water bottles are becoming increasingly popular due to their antimicrobial properties and stylish look.

However, they can also be quite expensive.

A copper water bottle can last for ten years (and beyond) if taken care of properly, though you will have to periodically buff them with a clean, dry cloth to keep them looking good.

Signs You Should Replace Your Reusable Bottle

One of the cornerstones of sustainability is buying new things sparingly.

However, even with the best care in the world, your reusable water bottle is probably not going to last forever.

Some of the signs that it might be time for a replacement include the following:

• Leaks or cracks in the material
• A funny smell or taste coming from inside the bottle (that won’t go away after repeated cleaning)
• Discoloration inside (especially in an aluminum, copper, or stainless steel water bottle)
• Moldy black spots
• General wear-and-tear

Some Signs You Can Ignore (Or Fix)

• The outside of the water bottle is discolored: This is not an issue as it won’t affect the taste or purity of the water inside.
• Metallic taste: A new aluminum, copper, or stainless steel water bottle (and bottles that have been left for a long time with water residue inside) can make the water taste metallic. This is usually nothing to worry about. Give it a good clean with warm water and natural dish soap.
• White crystal deposits: This is usually nothing to worry about either. It’s just calcium and magnesium deposits that can accumulate over time. Give your bottle a good scrub with white vinegar, and it should shift easily.

Nine Ways You Can Prolong The Life Of Your Reusable Bottle

As you can see, there are many types of reusable bottles, and they can last for various lengths of time.

But if you want to make sure that your bottle lasts as long as possible, here are some tips:

1. Handwash your bottle regularly using warm soapy water and a non-abrasive sponge. Avoid using harsh detergents and chemicals.
2. Once washed, allow to dry thoroughly and store with the top off.
3. Rinse with clean water after each use to keep the inside fresh and free from bacteria.
4. Don’t leave liquids in your bottle for too long. This can cause discoloration or rust on metal bottles, and it’s not good for hygiene either.
5. Store your bottle in a cool, dry place away from direct sunlight to avoid discoloration and breakdown of the material.
6. Use only cold water with plastic bottles. Hot liquids can cause a plastic bottle to break down over time.
7. Avoid dropping or throwing around your bottle, as this can weaken or damage it.
8. Use a toothbrush to clean all the cracks and crevices.
9. Don’t freeze your bottles. If you like ice-cold water, buy a double-walled stainless steel bottle with a wide mouth so you can fill it with ice.

Frequently Asked Questions

What Happens If A Bottle Isn’t BPA-Free?

A bottle that isn’t made with BPA-free plastic could leach the chemical into your water. This can cause various health issues, such as endocrine disruption. Ensure that any plastic bottles are labeled BPA-free before using them.

Can BPA Be Washed Away?

BPA is not easily washed away (even with a dilute bleach solution). If you suspect your bottle contains this chemical, replace it as soon as possible.

At What Temperature Does Plastic Release BPA?

According to ScienceDirect, BPA release is dramatically increased at temperatures of 70 °C.

Can I Put My Reusable Water Bottle In The Dishwasher?

The general rule of thumb is that most plastic and silicone are dishwasher safe, but stainless steel water bottles, copper, and aluminum aren’t.

Check with the manufacturer if you need clarification. However, handwashing is preferable if you want to prolong the life of your bottle.

The Final Word

Reusable bottles can last for a long time if taken care of properly.

Different materials have different lifespans, so choose the one that best suits your needs.

I like to steer clear of plastic water bottles (I don’t like the thought of BPA or mountains of plastic waste in the ocean) and usually go for either glass or stainless steel bottles.

Whether the material your reusable water of choice is made from, remember that taking good care of it will help significantly prolong its life.

Get In Touch

Do you keep using plastic water bottles for decades? Or do you replace your bottles at the first sign of damage?

Are you like me and avoid plastic altogether in favor of a glass or stainless steel water bottle? Or do you insist on recycled bottles? Drop me a line and let me know.