Gear Reviews Hiking and Camping

TESTED: Sawyer Mini Water Filter

TESTED: Sawyer Mini Water Filter

When Amelia Caddy decided to hike the famous Pacific Crest Trail, she knew she’d need a water filter if she was to hydrate safely and the Sawyer Mini turned out to be the perfect choice.

When I first started looking at water filters to navigate the notoriously murky depths of Pacific Crest Trail water sources I was unimpressed by my options. UV purifiers would only be effective on clear water, pumps were heavy and expensive, and gravity filters would be impractical in treeless landscapes. Enter the Sawyer Mini. Light (40 grams), cheap ($38.10) and reliable, it was exactly what I needed to get me from Mexico to Canada.

sawyer mini water filter
The Sawyer Mini comes with a water pouch, rubber tube and syringe.

How It Works

The beauty of the Mini lies in its simplicity. After filling the included water pouch with unfiltered water, you screw the Mini onto the pouch and then squeeze the pouch to force water through the filter.

The clean water comes out of a little nozzle, so you can either drink it right away or pour it into your drink bottle. I found the included water pouch started to leak after a few weeks’ use, so I used a narrow-mouthed plastic bottle and bladder instead. A tube attachment also allows you to drink straight from the source.

sawyer mini water filter
The SAWYER MINI pump in action. Very easy to use.

At the core of the Mini is a hollow-fibre membrane filter rated to 0.1 micron absolute. It removes bacteria, protozoa and cysts, meaning you’re covered for all the usual suspects – salmonella, E. coli, cholera and giardia – but not viruses. If you want to treat for viruses, you’ll need to use chemicals or a UV purifier as well.

sawyer mini water filter
The SAWYER MINI. Clean water on the go. Pic:©SAWYER

Treatment Time

If you sip on the Mini like a straw, you can get treated water instantly. The speed at which the water moves through the filter depends on water temperature, altitude, and how dirty the water is.

Over time, the filter slows down as gunk accumulates inside it. Back-flushing restores most of the flow, and can be done in about 30 seconds with the included syringe.

sawyer mini water filter
Comes in a range of funky colours. Which is the most important part isn’t it? Pic:©SAWYER

Conclusion

I replaced my first Mini after about 1400 kilometres, mostly because I suspected it to have frozen (freezing water expands and can damage the filter membrane). With good care though, one Mini could easily last for many years.

Chemical treatments will always be less of a hassle than filters, but if you have water that needs filtering, you can’t go past the Sawyer Mini.

Tip: Carry a plastic bottle cut in half to use as a lightweight scoop at non-flowing water sources.

sawyer mini water filter
The SAWYER MINI pump. Get that fresh filtered water down you. Pic:©Johannes Martin.

Features:

  • Ideal for outdoor recreation, hiking, camping, scouting, domestic and international travel and emergency preparedness
  • The MINI removes 99.99999% of all bacteria, such as salmonella, cholera and E.coli; removes 99.9999% of all protozoa, such as giardia and cryptosporidium
  • High performance filter fits in the palm of your hand, weighs 2 ounces and filters up to 100,000 gallons (30 times more than comparable filters)
  • Attaches to included drinking pouch, standard disposable bottles (28 mm thread), hydration packs, or use the straw to drink directly from your water source

Kit Includes:

  • 1 – Sawyer MINI Water Filter with Tip Cap
  • 1 – 16 oz Reusable Squeeze Pouch
  • 1 – 7″ Drinking Straw
  • 1 – Cleaning Plunger (Syringe)
  • Cleaning and Maintenance Instructions

Available Colors:

  • Blue [SP128]
  • Green [SP101]
  • Pink [SP102]
  • Orange [SP103]
  • Black [SP105]
  • Multicolor 4-Pack [SP124]

More information can be found on the SAWYER website along with some helpful videos about the product and how to use it.

 

Original post by Amelia Caddy on Wild Magazine.

Jason Lorch

Author: Jason Lorch

Born and grew up in Wales but now a fully fledged Aussie. A passionate mountain biker, hiker and general nature addict. I’m also a bit of a muso and enjoy a good craft beer every now and again (probably too often).

I hope what we do here at Tyres and Soles will inspire people to get out there and experience first hand, the natural wonders that surround them.

So, pump up those tyres, don your favourite boots. Grab a mate, a partner, a pet… and head out into nature. But tell us all about it when you get back.

Editor at Tyres and Soles.

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