User Review: Platypus GravityWorks Filter System
Source: bought it new
Price Paid: $100
This water filter is definitely the best thing going. I have been on numerous multi-person hikes and it keeps everyone in water no matter what the situation. It filters 4 liters of water in minutes and is very easy to use and clean the filter. There is no pumping...just scoop up 4 liters of water and hang both bags. It is as easy as that. In less than 10 minutes you have 4 liters of water.
- It weighs about the same as most pumps.
- It filters 4 liters of water virtually effortlessly.
- It is so easy to clean the filter.
- The only con I can think of is that sometimes the "pinch" seals at the top of each bag are tough to close with cold hands.
I hike between 50 and 150 miles each summer in the High Sierras. I have been hiking about 15 years, and in that time I have used many water purification methods (iodine, pumps...).
The first trip into the backcountry with the Platypus, I was completely sold on it. It was a trip with five other people. We hiked 60 miles over 6 days. During the trip, hiked all day and camped near water each night.
Each night as we entered camp, the first thing I did was take out the Platypus Gravity filtration, scoop up 4 liters of water in the "Dirty Bag" (labeled), hang this bag above the "Clean Bag" and open the clip allowing water to flow. Then I went about my business setting up my tent. Before I was finished setting up my tent, the system had already filtered 4 liters of water and everyone was able to drink. We transferred the 4 liters into a bladder and were able to filter more as we needed it.
This experience is typical of every time I have used this system.
While hiking, some of the hikers have gotten low on their individual water supply. I stopped with him, took out the Platypus system, and we were back on the trail within 6-7 minutes. He completely filled his Camelbak in that time.
At least four of my hiking buddies have purchased this system after experiencing it with me.
I have had this system for about three years now and it has never failed. With no working parts, or small pieces which can easily break or become lost, It is perfect for any size group.
The only negative I can think of... pinching the bags closed so water doesn't spill out. When it is very cold out, pinching the "zip-lock" tops of the bags is difficult with cold fingers.
The ease of use though, GREATLY outweighs any small negatives such as this.