Imagine this: You’re deep in the wilderness, the sun is setting, and your water bottle is nearly empty. The thought of pumping water for what feels like hours might make you want to turn back. But what if there was a simpler way to get clean drinking water on your backpacking trips? That’s where gravity filters come in, and choosing the right one can feel like navigating a maze.
Many backpackers face the same problem: sifting through all the different gravity filters. Some are too slow, others are bulky, and some just don’t filter well enough. You want a filter that’s easy to use, reliable, and won’t weigh you down. The right gravity filter can make a huge difference in your comfort and safety out on the trail.
In this post, we’ll break down everything you need to know about gravity filter backpacking. We’ll explore what makes them great, what to look for when you’re shopping, and how to pick the perfect one for your adventures. Get ready to say goodbye to the water-pumping blues and hello to refreshing, clean water with less effort!
Our Top 5 Gravity Filter Backpacking Recommendations at a Glance
Top 5 Gravity Filter Backpacking Detailed Reviews
1. Waterdrop Gravity Water Filter Straw
Rating: 9.0/10
The Waterdrop Gravity Water Filter Straw is your ultimate companion for safe and clean drinking water, whether you’re exploring the great outdoors or preparing for emergencies. This system combines a powerful 5-stage filtration straw with a large 1.5-gallon gravity bag, ensuring you have plenty of purified water when you need it most.
What We Like:
- It uses a 5-stage filtration system with coconut shell activated carbon and a 0.1-micron ultrafiltration membrane to effectively remove harmful substances like chlorine, sediment, and bad tastes, making your water safer and more enjoyable to drink.
- The professional combination includes a 1.5-gallon gravity-fed water bag, which holds a significant amount of water, enough for all-day hydration during outdoor adventures.
- The filter straw has a long lifespan, capable of purifying up to 1,400 gallons of water, and offers a good flow rate of 700 ml per minute for a relaxed drinking experience.
- It features an innovative backwash function that helps keep the straw clean and extends its usability, making it a recyclable and pollution-free choice.
- The versatile design allows it to connect to both water bags and standard pop bottles, providing clean water wherever you are.
- It’s perfect for a wide range of activities, including hiking, camping, travel, and essential for emergency preparedness.
What Could Be Improved:
- Users should remember to empty air from the hose before connecting the straw to the gravity bag to ensure proper water flow.
This Waterdrop system offers a reliable and convenient way to access clean drinking water in various situations. It’s a smart investment for anyone who values safety and hydration on the go.
2. Platypus GravityWorks Group Camping Water Filter System
Rating: 9.4/10
The Platypus GravityWorks Group Camping Water Filter System, 6-Liter is a fantastic tool for anyone who loves the outdoors or wants to be prepared for emergencies. It’s designed to give groups clean drinking water easily and quickly, making your adventures smoother and safer.
What We Like:
- It’s a high-capacity system that holds six liters of water, perfect for families or camping groups.
- The gravity-fed design means no hard work pumping; you just hang it up and let gravity do the job.
- It removes 99.9999% of bacteria and 99.9% of protozoa, like giardia and E. coli, so you can trust the water.
- Filtered water is ready in under 4 minutes, which is super fast for cooking and washing.
- The storage sack is PFAS-free and water-resistant, keeping your filter dry and protecting the environment.
- The filter cartridge can filter up to 1,500 gallons, and it’s made right here in the USA.
What Could Be Improved:
- While it’s great for groups, it might be more than a single person needs for a short trip.
- The initial setup, especially hanging it from a tree, might take a moment to get just right.
This filter system makes getting safe drinking water simple and efficient. It’s a reliable choice for any outdoor enthusiast looking for a dependable way to stay hydrated.
3. Membrane Solutions Gravity Water Filter Pro 6L
Rating: 8.6/10
The Membrane Solutions Gravity Water Filter Pro 6L is your ultimate companion for clean drinking water, whether you’re camping, traveling, or facing an emergency. This versatile purifier ensures you always have a reliable source of hydration, no matter where your adventures take you.
What We Like:
- Extra-Large Capacity: The 6L capacity is great for groups, providing plenty of clean water.
- Survival Gear Certified: It’s NSF & SGS certified, meeting strict standards for removing harmful contaminants.
- Effective 4-Stage Filtration: Removes 99.99999% of bacteria, viruses, and impurities, improving water taste.
- Superior Backwash Solution: Easily backwash the filter with a common bottle, no extra tools needed.
- Versatile Use: Use it as a gravity filter, a straw, or connect it to bottles for flexible hydration.
- Easy to Hang: The adjustable tree strap makes it simple to hang and use anywhere.
- Safe and Durable: Made with food-grade, BPA-free materials.
What Could Be Improved:
- The large capacity might be more than needed for solo trips.
- While versatile, understanding all the different connection methods might take a moment.
This gravity water filter is a smart choice for anyone who needs dependable access to clean water outdoors or during unexpected events. It offers peace of mind and convenience for all your hydration needs.
4. Waterdrop Gravity Water Filter Straw
Rating: 9.4/10
The Waterdrop Gravity Water Filter Straw is a fantastic tool for anyone who loves the outdoors or wants to be prepared for emergencies. This light blue filter system comes with a 1.5-gallon bag, making it easy to get clean drinking water wherever you go. It uses a special 0.1-micron filter to remove yucky stuff from water.
What We Like:
- It has a multistage filtration system that removes chlorine, sediment, and bad tastes/smells, making water safer and tastier.
- The 1.5-gallon gravity bag is big and holds enough water for a whole day of outdoor fun.
- This filter can clean up to 1,400 gallons of water, which is a lot!
- It filters water quickly, up to 700 ml per minute.
- The straw is recyclable and can be cleaned easily with a backwash function to keep it working well.
- You can connect it to water bags or bottles, making it super versatile for different situations.
- It’s great for hiking, camping, traveling, and even for emergency preparedness when natural disasters happen.
What Could Be Improved:
- Remember to let the air out of the gravity bag’s hose before connecting the straw to ensure water flows properly.
This Waterdrop Gravity Water Filter Straw is a reliable and convenient way to access clean water. It’s a must-have for adventurers and anyone who values preparedness.
5. Gravity Water Filtration System – 2 High Capacity Lightweight Hanging Bags for Backpacking
Rating: 9.4/10
This Gravity Water Filtration System is a game-changer for anyone who needs clean drinking water on the go. It’s perfect for backpacking, camping, survival situations, hiking, and hunting. The system includes everything you need to turn questionable water sources into safe, drinkable water.
What We Like:
- It removes over 99.99% of harmful bacteria and parasites, keeping you safe from sickness.
- It also filters out tiny microplastics, down to 0.1 micron.
- The system is super lightweight, weighing less than a pound, making it easy to carry.
- It comes with two large 6-liter bags for dirty and clean water.
- The filter can clean up to 1800 gallons of water – that’s a lot of drinking water!
- It’s really easy to set up and use; you can be filtering water in less than a minute.
- The bags can work with other types of water filters that fit standard bottle openings.
What Could Be Improved:
- The bags are made of a material that might be prone to punctures if not handled carefully.
- While lightweight, the bag material could be a bit more rugged for extreme conditions.
This gravity water filter system offers excellent water purification and convenience for outdoor adventures. It provides peace of mind knowing you’ll always have access to safe drinking water.
Your Essential Guide to Gravity Filter Backpacking
Hitting the trail is all about freedom and adventure. A big part of that adventure means having clean, safe drinking water wherever you go. Gravity filter backpacking systems are a game-changer for hikers and campers. They let you easily turn water from lakes, streams, or even puddles into something you can drink. This guide will help you pick the best one for your needs.
What to Look For in a Gravity Filter Backpacking System
When you’re choosing a gravity filter system, a few things really matter.
Key Features to Consider
- Filter Pore Size: This is super important. Most good filters have a pore size of 0.2 microns or smaller. This size traps bacteria and protozoa. It’s like a super-fine sieve for water.
- Flow Rate: How fast does the water come through? A good flow rate means you won’t be waiting forever for your water. Look for something that filters at least a liter per minute.
- Durability: You’ll be using this outdoors, so it needs to be tough. Check for sturdy materials and a solid build.
- Ease of Use: The system should be simple to set up and use, even when you’re tired or in a hurry. You don’t want complicated steps when you’re thirsty.
- Weight and Packability: Backpacking means carrying everything. A lighter and smaller system is always better. It should pack down easily into your backpack.
- Filter Lifespan: How much water can the filter clean before it needs replacing? A longer lifespan means you won’t have to buy new filters as often.
Important Materials
The materials used in your gravity filter system affect its performance and how long it lasts.
- Filter Cartridge Material: Most good filters use hollow-fiber membranes. These are tough and very effective at trapping tiny things.
- Bag Material: The bags that hold the dirty and clean water are usually made from durable, waterproof materials like TPU or ripstop nylon. These need to be strong enough to hold water without leaking.
- Hoses and Connectors: Look for food-grade silicone or BPA-free plastic. These materials are safe for drinking water and won’t break down easily.
Factors That Improve or Reduce Quality
Certain things make a gravity filter system better or worse.
- Improved Quality:
- Field-Cleanable Filters: Some filters can be cleaned in the field, which extends their life and keeps them working well.
- Integrated Hoses: Systems with built-in hoses are often easier to use and less likely to have leaks.
- Clear Markings: Clear volume markings on the bags help you know exactly how much water you’re filtering.
- Reduced Quality:
- Flimsy Bag Material: Bags that feel thin or cheap might tear or leak.
- Slow Flow Rate: A filter that clogs easily or has a naturally slow flow rate is frustrating.
- Difficult Assembly: If it’s hard to put together, you’ll avoid using it.
User Experience and Use Cases
Gravity filters are fantastic for many outdoor adventures.
- Backpacking and Thru-Hiking: These are perfect for long trips where you need to filter a lot of water. You can set them up at camp and let them work while you relax.
- Camping and Car Camping: Even if you’re not carrying your gear far, a gravity filter is great for having fresh water on hand at your campsite.
- Emergency Preparedness: Having a reliable water filter is essential for any emergency kit. It ensures you have access to safe drinking water if your regular supply is cut off.
- International Travel: If you’re traveling to places with questionable water quality, a gravity filter is a must-have.
Frequently Asked Questions (FAQ)
Q: What is a gravity filter backpacking system?
A: It’s a water filter system that uses gravity to push water through a filter. You fill a bag with dirty water, hang it up, and let gravity do the work of cleaning it.
Q: How do I set up a gravity filter?
A: Usually, you fill the dirty water bag, connect the filter to it, and then connect a clean water bag or bottle to the other end of the filter. Then you hang the dirty water bag higher than the clean water bag.
Q: What can a gravity filter remove from water?
A: Good filters remove bacteria, protozoa like Giardia and Cryptosporidium, and sediment. They don’t usually remove viruses or chemicals.
Q: How often do I need to clean or replace the filter?
A: It depends on the filter’s lifespan and how dirty the water is. Many filters can clean thousands of liters. Some can be backflushed to help them last longer.
Q: Are gravity filters heavy?
A: They are generally quite lightweight, designed for backpacking. The weight varies by brand and capacity.
Q: Can I drink water filtered by a gravity filter immediately?
A: Yes, once the water passes through the filter, it’s safe to drink. You don’t need to boil it.
Q: What if the water is really murky or has a lot of leaves in it?
A: It’s best to pre-filter very dirty water. You can use a bandana or a coffee filter to remove large debris before it goes into your gravity filter. This helps prevent the filter from clogging too quickly.
Q: Are there different types of gravity filters?
A: Yes, some are integrated systems with bags and hoses, while others are just the filter that you can attach to any water bottle or bag you have.
Q: How do I store my gravity filter when I’m not using it?
A: Make sure it’s completely dry before storing. Store it in a cool, dry place. Some filters have specific storage instructions to protect the filter membrane.
Q: Are gravity filters better than pump filters?
A: Gravity filters are easier to use because they don’t require pumping. You just hang them up. Pump filters can be faster for smaller amounts of water and can sometimes filter out more contaminants, but they require more effort.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
Melody Smith is a passionate writer, outdoor enthusiast, and camping expert based in the Seattle Metropolitan Area. With a deep love for nature and adventure, she shares her personal experiences, tips, and insights on MyCampingPro.com. A seasoned camper and traveler, Melody combines her creative background in design and writing with her love for the great outdoors, offering practical advice and inspiring stories to help others make the most of their outdoor experiences. When she’s not exploring the wilderness, you can find her painting, collecting vintage treasures, or diving into a good book.