Berkey GSPRT Generic 22-Ounce Water Filter Sports Bottle
|Price:||$29.95 & FREE Shipping. Details|
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- Filters can be replaced
- Can be refilled up to 640 times using a municipal water source
- Reduces harmful microscopic pathogens: Cryptosporidium, Giardia, E-coli 99.99999% and other pathogenic bacteria
- Unpleasant taste and odors, cloudiness, silt, sediment and chlorine
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Top Customer Reviews
Until Berkey decides to fix it, it's just okay (3 stars). I like the filtration but it's not a product I have rave or heavily recommend. I suppose a q-tip with bleach may work and you just flush out water through it a bit but Berkey should really reconsider resolving the issue.
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Did a blind taste test between both filter bottles and commercial bottled water, and no one in my family could tell the difference between the three. They were able to identify our tap water by smell alone, so both filter bottles did exceptionally well cleaning out the chlorine & other crap in our water. I have tried both bottles on well water, "garden hose" water, and all types of municipal water, and each bottle removes all traces of taste. I have NOT tested it on pond water or rain runoff, though I suspect they would both do great in those instances as well.
For the bottle measurements: both are 11 inches tall. The Berkey is 2-1/2 inches in diameter; the Sawyer 3-1/4 inches. I've noticed that the Sawyer is too large to fit into some car cup holders. Due to the displacement of the filter elements, the Berkey holds 22 ounces (650 ml) when filled; the Sawyer 32 ounces (946 ml). When filled, the Berkey weighs 1 pound, 10.3 ounces (745 grams); the Sawyer weighs 2 pounds, 5 ounces (1048 grams). Not very heavy, but I've noticed that the Sawyer can get rather cumbersome on long hikes.
Leakage: When opened, BOTH the Berkey and the Sawyer leaked - the straw is full of water all the way to the filter element in the bottom of the bottle, and there is no check valve in the straw. When held upside down, the Berkey leaks a bit more than the Sawyer (due to the design of the filter elements, I suspect). With the tops closed, neither leaked, even when I squeezed the bottles (reading some other reviews, your results may vary!).
Drinkability: No problems drinking from either bottle. I can get water by either sucking on the straw, squeezing the bottle, or doing both simultaneously. With the Berkey, I generally squeeze more, and with the Sawyer, I usually suck more. The Sawyer is made with a thicker plastic that makes it a little more difficult to squeeze with one hand. Since the plastic is thicker, it takes a little more effort to get a gulp and takes longer for the squeezed plastic to bounce back to its original shape (thus delaying that second gulp a bit).
Other: Both fit comfortably in my hand, though I can grasp the Berkey a little better (smaller diameter bottle). For portability, the Berkey lid features a convenient finger ring; with the Sawyer, there's a small hole that you can use to attach a lanyard. On both models, the straw sometimes gets caught under the lid when opening, requiring you to pull it out with your fingers; this can be messy with the Berkey because sometimes the straw will be full of water, and you'll dribble onto yourself (or whatever happens to be next to the bottle). After drinking, you have to make sure that the water goes back down the straw before closing the top. Also, the Berkey does not come with any accessories; the Sawyer comes with replacement straw tips and a backwash kit (the Sawyer backwash kit will also fit the Berkey, but don't tell them I told you!)...
Summary: I love both the Berkey and the Sawyer. The Berkey holds a little less water than the Sawyer but is lighter and fits in cup holders better. The Berkey leaks a little more than the Sawyer but I can drink faster from it. The Berkey has a convenient finger ring, but the Sawyer is constructed from sturdier plastic. The Berkey is considerably cheaper than the Sawyer but does not have a flush kit.
Bottom line: if you drink a lot of bottled water, either of these will fit the bill to help you reduce waste and save money - mine paid for themselves after one round-trip flight: dumped the bottle out before going through airport security & filled it up once past security in the bathroom in the terminal - that's at least $4 saved every time you don't have to buy the airport's overpriced bottled water - just be mindful of cabin pressure changes if you drink from the bottle while in flight (I also take it into the movie theater with me - as long as it's empty, it does not qualify as "outside food or drink")! I plan to buy a couple more Berkey bottles for everyday use (due to their low cost) while keeping the Sawyer in my disaster kit (since I can use its backwash kit on the Berkeys as well).
I bought 4 of these, and read the instructions and other feedback very carefully. OK, I thought, others are having trouble because they are either not tightening the cap enough, or failing to fully extend the straw before squeezing the bottle. When my bottles arrived, the first one out of the package worked perfectly: good seal, water flowed through the filter and out the straw, and you could hear air returning to the bottle after each squeeze. The next three all failed miserably. When squeezing, the bottles either leaked air, water, or both. The return air valve should allow air to go back into the bottle after each squeeze so you can make the next squeeze. But if the air valve lets air out when squeezing, then the water cannot be forced properly through the filter. The cap is joined to the bottle by 3 or 4 threads that are not precise enough to allow a good seal, and the thin O ring between bottle and cap does not provide a good seal. So when squeezing, some water came out the straw, some air came out of the air valve, and water ran down the outside of the bottle through the cap/bottle connection.
Proposed solution: The cap needs to join the bottle with 7 or 8 precise threads to ensure a better seal. Take a look at a typical 1 liter nalgene bottle used for hiking. That's the way to do it. The gasket needs to be thicker to ensure a complete seal between bottle and cap. The air valve needs to be truly one way, so it stops air from leaving the bottle when squeezing, but allows air to return to the bottle after each squeeze to replace the volume of water that was pushed out through the filter.
As I said, this is a great idea, too bad the design and manufacture is so ridiculously bad. For a water bottle that costs over $20, this thing should be bullet proof.
Most Recent Customer Reviews
Recently purchased this product a little over a month ago and loved it, especially the filter portions, until a couple of weeks ago....Read more