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Can you drink ocean water with a LifeStraw?

Can you use LifeStraw to drink sea/salt water? No. The minerals in salt water are simply too small to be filtered. The same goes for urine.

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10 Mar

LifeStraw products were originally designed and developed for use in developing communities where there isn’t direct access to safe drinking water. The company’s first challenge was to help remove Guinea Worm larvae from water it was contaminating. Guinea Worm Disease is a tropical disease that seriously impacts poor communities in parts of Africa.1 Since 1996 more than 37 million LifeStraw Guinea Worm filters have contributed to the near eradication of the disease.2 As the product developed further, it also became a useful tool for victims of natural disasters. The LifeStraw brand is built on the belief that safe water is a human right. That belief continues to this day. The LifeStraw range now includes products to help nature enthusiasts and travellers enjoy the great outdoors and adventures, knowing they can always access water that is safe to drink. Importantly, a portion of the proceeds from the purchase of any LifeStraw product by a consumer in a developed country is used to provide one child in a developing community with safe drinking water for an entire school year.

So, what can the LifeStraw filter remove from water?

Historically, the main aim of any LifeStraw filter was to remove organic contaminants – components that cause serious diseases, such as parasites and bacteria (including E.coli, Salmonella). But the filters also remove microplastics and reduce turbidity (sand, silt, cloudiness). However, as the make up of contaminants grew, so did the need for additional filtration capabilities, so the carbon filter was added to the membrane microfilter of some products. Can you use LifeStraw to drink sea/salt water? No. The minerals in salt water are simply too small to be filtered. The same goes for urine. Lead contamination, on the other hand CAN be reduced by some of the products in the Lifestraw range including3:

LifeStraw Play with Lead Reduction

LifeStraw Flex

LifeStraw Flex with gravity bag

LifeStraw Home

Chemicals such as chlorine can also be reduced by some (but not all) of the LifeStraw products. The following will help reduce chlorine/chemical contamination3:

LifeStraw Go

LifeStraw Universal

LifeStraw Play with Lead Reduction

LifeStraw Flex

LifeStraw Flex with gravity bag

LifeStraw Home

In summary, while the LifeStraw range does an incredible job of making contaminated water drinkable, it was designed to be used around rivers and streams or to filter normally drinkable water sources that have been inadvertently exposed to contaminants through a natural disaster. It was never designed to filter salt water or urine, in which there are minerals and other dissolved substances. They’re great devices, but they can’t perform miracles.

Sources:

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What bottled water is reverse osmosis?

Reverse Osmosis is a water treatment technology most commonly known for its use in the purification of drinking water. It is likely you have consumed reverse osmosis water under the recognized brands Aquafina®, Dasani®, Nestle Pure Life® and Smart Water®.

Reverse Osmosis Frequently Asked Questions

Does the reverse osmosis system have to go under the sink?

No. Our preferred location for reverse osmosis systems are in the mechanical room as long as access to the kitchen is not prevented, such as a finished basement.

Do reverse osmosis systems waste water?

Reverse osmosis systems flush impurities and removed contaminants to the drain as part of the purification process. Depending on the system it can take 3-5 gallons of water to produce one gallon of purified water. Most households should expect the equivalent of an extra shower in water use increases. A small price to pay for purified water on tap.

Can my ice-maker be hooked up to the reverse osmosis?

Yes. We encourage having the benefits of the clean water to your fridge along with the added benefit of protecting it from water scale. However, once again this is dependent on access to the fridge line from either the kitchen sink or mechanical room. Some fridges may

I want to remove contaminants in my city water. It is possible to remineralize my water?

Yes. Remineralizing cartridges can be added to most reverse osmosis systems.

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