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Sawyer Gravity Filter: A Comprehensive Review

$45.99

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1. Overview of Sawyer Gravity Filter

  • Lightweight, portable gravity-based water filtration system
  • 1-gallon dirty water bladder for easy water collection
  • 0.1-micron absolute filtration using typical hollow fiber membranes
  • Removes 99.99999% of bacteria and 99.9999% of protozoa
  • Filters up to 100,000 gallons before needing replacement
  • Dual-threaded mini filter for versatile use with various containers
  • Gravity hose for fast water flow without pumping
  • Includes convenient carry handle and cleaning plunger
  • Compatible with hydration packs, water bottles, and inline adapters

2. Pros

  • Simple, no-pump operation for easy water filtration
  • Lightweight and compact, ideal for backpacking and camping
  • Fast and efficient filtering of large quantities of water
  • Long-lasting filter lifespan with easy backflushing for maintenance
  • Compatible with various containers and hydration systems
  • Effective for emergency preparedness and group camping

3. Cons

  • Requires a hanging setup, which may not always be convenient
  • Flow rate may be slower in calm or heavily contaminated water sources
  • Instructions can be unclear for first-time users
  • The 1-gallon capacity may not be sufficient for large groups
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Full Review

Edmund
Written by Edmund Yeo

Clean drinking water is essential when you're out in the wilderness. The Sawyer Gravity Filter might be just what you need to stay safe and hydrated on your next outdoor adventure.

sawyer gravity water filter

This Sawyer Gravity System with Dual-Threaded MINI filter lets you filter water without any pumping. You simply fill up the one gallon bladder, hang it from a tree or your backpack, and let gravity do the work.

The MINI filter is small but mighty, removing nearly all bacteria and protozoa from your water source using typical hollow fiber membranes. It's great for camping, hiking, or even emergency situations. 

The Sawyer Gravity Filter is easy to use and maintain. It comes with a cleaning plunger to keep the filter working well.

The wide-mouth cap on the dirty water bladder makes it simple to fill up from streams or lakes. At just 8.8 ounces, it won't weigh you down on the trail.

Users love how quickly this filter works compared to pump filters. Some say it can fill a smart water bottle in just over a minute. The filter can handle up to 100,000 gallons, so you'll be set for many trips to come.

Overview of the Sawyer Products One-Gallon Gravity Water Filtration System

sawyer gravity filter setup

Outdoor adventures just got easier with this gravity-powered water filter. Sawyer's gravity system makes clean water a breeze when you're camping, hiking, or prepping for emergencies.

Effortless Water Filtration

You'll love how simple this system is to use. Just fill the one-gallon bladder with water from any source, hang it up, and let gravity do the work.

The MINI filter, equipped with Sawyer fibers, removes 99.99999% of bacteria and 99.9999% of protozoa. It even filters out all microplastics. No more pumping or squeezing bottles—clean water flows right into your container.

Lightweight Design

At only 8.8 ounces, this filter won't weigh you down. The MINI filter itself is tiny, fitting in your palm. The wide-mouth bladder is easy to fill and has a convenient carry handle. You can pack this system without taking up much space in your bag.

Versatility for All Outdoor Adventures

This filter works great for:

  • Backcountry camping

  • Group camping

  • Hunting and fishing

  • Adventure travel excursions

  • Emergency kits

You can use it with water from lakes, streams, ponds, or even potable tap water when traveling. The system comes with inline adapters to fit different containers.

Some key features:

  • Filters up to 100,000 gallons

  • 0.1 micron absolute filtration

  • Includes cleaning plunger and coupling

  • Can attach to water bottles or hydration packs

Compared to pump filters, this gravity system is much faster for large quantities of water. It's also easier to use than squeeze filters for groups. While it's not as compact as some straw-style filters, it offers better flow rates and capacity.

The Sawyer Gravity Filter gives you clean water without the work. It's a smart choice for your next outdoor trip or emergency kit.

Performance and Effectiveness

This gravity-fed filtration system shines when it comes to getting clean water quickly. You'll be impressed by how fast it can fill up your bottles - in just over a minute, you'll have a liter of fresh, safe drinking water.

The filter speed is exceptional for a gravity system, perfect for filtering large quantities in a short time. The filter does an excellent job removing harmful bacteria and parasites, leaving you with great-tasting water from creeks and streams.

While the flow rate isn't lightning fast, it's still pretty reasonable. You can expect to fill a liter in about 3 minutes. This hands-free system saves you time and energy compared to pump filters. The large 1-gallon capacity is perfect for groups or longer trips.

One standout feature is the filter's incredible 100,000-gallon lifespan. You'll likely never need to replace it. The ability to backwash for extended use is also a big plus.

The included hose makes it easy to set up and ensures a smooth water flow from the bladder to your container. You can even use the shutoff clamp to control water flow and manage the process more efficiently.

Ease of Use and Maintenance

Setting up this gravity filter is a breeze. Just fill the bag, hang it up, and let gravity do the work. The hanging strap and hose guide make it easy to position the system for optimal water flow.

The dual-threaded mini filter ensures a reliable connection, whether you're using a hydration pack or a smart water bottle.

To keep your filter working well, backflush it after each trip with Sawyer's cleaning coupling accessory. This cleans out any gunk that builds up. Rinse the bag too, so it stays fresh.

For long trips, the system’s shutoff clamp gives you control over the water flow, allowing you to manage your filtered water needs efficiently.

Remember to store the system dry between uses. This prevents mold growth. With a little TLC, you'll always have safe water on tap when you're in the wild.

Pros and Cons

This gravity water filtration system offers a convenient solution for outdoor enthusiasts and emergency preppers. Let's look at what's good and not-so-good about it.

Pros

  • Easy to use: Just fill the bag and let gravity do the work. Fast and easy filling from streams or lakes

  • Fast filtration: Filters water quickly compared to manual pumps, ideal for small groups or disaster relief scenarios

  • Lightweight: The filter is small and weighs only 2 ounces

  • Versatile: Great for camping, hiking, and emergency kits

  • Long-lasting: The filter can clean up to 100,000 gallons of water

  • Reliable: Each filter is tested three times to ensure quality

  • Compact: The system folds down small for easy packing

Cons

  • Slow flow rate: It may take a few minutes to fill a liter bottle

  • Needs hanging: You need a place to hang the bag for best results

  • Unclear instructions: Some users found the directions confusing

  • Harder to use with slow-moving water: Works best with fast-flowing sources

  • Limited capacity: The 1-gallon bag may not be enough for large groups

This water filter system is a solid choice for outdoor adventures. It's simple to use and removes tiny particles from your water. While it's not the fastest option, it's much easier than pumping by hand.

The small size makes it great for backpacking, but you might want a bigger version for family camping trips. Keep in mind that you'll need to find a good spot to hang it for the best results.

Is It Worth Investing?

Think about how much clean water means to you on your outdoor adventures. This gravity filtration system can be a game-changer. It's lightweight, easy to use, and filters water quickly.

With a pore size of 0.1 microns, it removes harmful bacteria and protozoa, making it ideal for emergency preparedness kits or disaster relief scenarios.

The system's robust solution ensures you have a reliable water source during any emergency prep or extended trip. Furthermore, the ability to use it with a kitchen faucet adds a level of convenience at home.

With a 100,000-gallon filter life, it'll last for countless trips. You won't need to buy replacement filters often, saving you money in the long run.

While the initial cost might seem high, consider the alternatives. Buying bottled water for each trip adds up fast. This system lets you use natural water sources safely, cutting those costs. It's also versatile - great for camping, hiking, and emergency kits.

You'll appreciate the time and effort it saves. No more pumping or squeezing water bottles. Just hang it up and let gravity do the work while you set up camp or relax.

User Satisfaction

You'll be glad to know that campers and hikers love this gravity water filter. Most users find it easy to set up and use, saving time and energy at camp.

The system filters water quickly, with many praising its speed and efficiency. You'll appreciate the great taste of the filtered water from creeks and streams.

The Sawyer water filter has earned a strong 4.6 out of 5 stars from over 2,000 ratings. This high score shows that most buyers are very happy with their purchase. Some users mention it works well for group trips and longer outdoor adventures.

A few points to keep in mind:

• Flow rate can be slower in calm water sources

• Instructions could be clearer for some users

• Takes a few minutes to filter larger amounts

Overall, you'll likely be satisfied with this filter's performance and convenience for your outdoor activities.

Environmental Impact and Health Benefits

sawyer gravity filter review

Using this gravity filter can help reduce plastic waste from disposable water bottles.

You'll be able to safely drink from natural water sources without harming the environment. The system's reusable components mean less trash in landfills or polluting wild areas.

For your health, the filter removes over 99.99% of harmful bacteria and protozoa from water.

This helps protect you from waterborne illnesses when camping or traveling. The filter also takes out all microplastics, keeping those tiny particles out of your body.

With no pumping needed, this Sawyer dual bag gravity system is easy on your arms and back.

The lightweight design won't weigh you down on long hikes. Using this filter lets you stay hydrated without lugging heavy water bottles or worrying about running out.

Final Verdict

You'll find the Sawyer Gravity Filter a solid choice for outdoor adventures. It's quick and easy to use, saving you time and effort at camp. The filter works well, producing clean, tasty water from streams and creeks.

It's great for longer trips, with its big capacity and long-lasting filter. While some users had trouble with slow-moving water, most found it worked great. The system is compact and versatile, making it good for backpacking.

It's also handy for emergency prep. The directions could be clearer, but once you figure it out, it's simple to use. For the price, you get a reliable way to make safe drinking water on your outdoor trips. If you camp or hike often, this filter is worth considering.

FAQs

Curious about this gravity-based water filtration system? You're not alone. Many campers and hikers have questions about how it works and what to expect.

Let's dive into some common queries to help you decide if this filter is right for your outdoor adventures.

How long can I expect my Sawyer filter to last with regular use?
The Sawyer MINI filter in this gravity system is built to last. With proper care and maintenance, it can filter up to 100,000 gallons of water. That's a lot of camping trips! Regular backflushing with the included plunger will keep it working well for years to come.
Can the Sawyer Squeeze effectively remove heavy metals from water?
While the Sawyer MINI filter is great at removing bacteria, protozoa, and microplastics, it's not designed to filter out heavy metals. If you're worried about heavy metal contamination in your water source, you might need to use additional purification methods or a different type of filter.
What are the key differences between Sawyer Gravity Filter and other gravity water filters?

The Sawyer Gravity Filter stands out in a few ways:

  • Lightweight design (only 2 ounces for the MINI filter)

  • Dual-threaded filter for easy on/off

  • 0.1 micron filtration, removing 99.99999% of bacteria and 99.9999% of protozoa

  • No pumping required

  • Can filter up to 100,000 gallons

What are the disadvantages of a gravity-based water purifier?
While gravity filters like this Sawyer system have many benefits, there are a few drawbacks to consider:

Slower filtration rate compared to pump filters

Needs to be hung up or held to work effectively

May be tricky to use with very shallow water sources

Requires careful handling to avoid contamination between clean and dirty water

Remember, no filter is perfect for every situation. Think about where and how you'll be using it most often to decide if this gravity system is the best choice for your outdoor gear kit.
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