Do you full time in an RV and rely on Black Berkey Filters? I love Berkey however I recently had problems with black Berkey filte. [Moderator Edit: I reached out to Berkey and asked them. The technology is capable of removing chlorine, zinc, copper, cadmium and mercury — but other contaminants, like bacteria and viruses, are harder to get rid of. 9999%. Shoppers save an average of 9. Ideally, you should clean every six months. Here s a need to purge and clean the air out to allow water flow through them. May 21, 2021 Oscar. When we decided to make the purchase, we went with the Big Berkey Water Filter. Big Berkey Stainless Steel Water Filtration System with 2 Black Berkey Filters. A problem arises when a water filter system is classified as a registered pesticide because a whole host of time consuming regulations and requirements go into play, includingThe AlexaPure Pro is a cost-effective way to get filtered water in your home but here are some of the biggest problems that not enough people talk about:. It filters 100 gallons of fluoride water per filter replacement, which is the highest in its category. Ive got a royal berkey with the black filters (two) i took it apart to clean & store it, when i removed the filters the base fell off of both of them, looks. And was wondering if anybody has used : Rat Fink: MH-General Discussions & Problems: 4: 06-04-2018 09:01 AM: Berkey Water Filter System: Peterrrr: Boondocking: 6: 11-05-2017 08:06 PM: Filters, Filters. Overall, I'm more than satisfied with our Berkey. Read: The Epoch Times Article: Berkey Water Filter Maker Sues EPA; BERKEY on the list of 20 things US Government Wants to Regulate, Restrict, or Ban; Buyer Beware – what you need to know so you can shop for Berkey ® systems with confidence. Run your sink water at a medium to slow flow-rate, to avoid water spraying everywhere. A problem arises when a water filter system is classified as a registered pesticide because a whole host of time-consuming regulations and requirements go into play, including onerous labeling requirements that must be placed upon all packaging. Description. This Crown Berkey® system is supplied as standard with 2 Black Berkey® purification elements and can be expanded to 8 filter elements. Cost - The stainless is more expensive simply due to the raw materials used. PF-2 Fluoride and Arsenic Water Filters (2) - Fits Black Berkey Filters. Berkey Filters reduces waste from said bottles, in addition to not needing constant replacement parts thanks to their long-lasting, BPA-free filters. The Berkey PF-4™ Fluoride and Arsenic Elements should be replaced every 1,000 gallons or at six-month intervals (whichever comes first) under normal conditions. 2 year proportional warranty. We bought a big Berkey water filter a few months back and it leaks around where the valve goes through the tank wall. The Berkey, despite its cult like following in health circles, has some major issues. com”, Tuesday, January 19, 2016, Adams, Mike “Big Berkey beats ProPur gravity water filter for removal of heavy metals and toxic elements”, Thursday, October 23, 2014. Size: 19. Best water pitcher filter: Clearly Filtered and Soma Water Filter. 5" D Holding Capacity: 3. Comparing Berkey versus Propur, the Propur ProOne comes out on top, having a superior price-per-gallon water filtering capacity, when compared to Berkey’s 2. 99. 0 ppm. To prime the filter: Place the stem of the Black Berkey filter between the fingers. ***Make sure to add on your fluoride filters ( ~$60 for two if your area adds fluoride to. 4 liters per hour. Initial Complaint. Overview of the AquaRain Water Filter. Home Entertainment and Recreation. The Berkey filters feature a high-performance filtration system versus other brands. (NMCL) and the James B. AW wouldnt be recommending the Berkey if it was not safe. . Holds up to 1. BUY. AW wouldnt be recommending the Berkey if it was not safe. Our most recent Berkey Filters promo code was added on Nov 14, 2023. So, 2 glasses if you are using 2 Black Berkey Filters. 99. Push the filter nozzle against the tap for 10 seconds per filter to remove any impurities. Nitrite and nitrate levels must be regulated in drinking water because they can cause serious health problems, especially for infants. Filter life: 8+ years (6,000 gallons). The bottom chamber can be overfilled in several ways. 5". Amazon. I didn't know about the warranty, so I trashed it and started purchasing a "stockpile" thinking the defective Berkey was just a fluke. Review: Best water filters for your homeWhen we decided to make the purchase, we went with the Big Berkey Water Filter. Allow the water to run through to the cups. Some people with iodine sensitivity due to thyroid problems can't use iodine. . Another water mishap can happen if say a child comes to get a drink and notices the water is really low. As you can see the Brita & Pur are both substantially more expensive to filter water (6-8. Hello Mr. Only 19 left in stock - order soon. You add water to the top chamber and the water is then pushed through. 7 total complaints in the last 3 years. Because the contaminant levels of different water sources vary, sets of Black Berkey Elements may or may not reach the 6,000 gallon benchmark. And so on. But…. 5% of fluoride in water (it reduced 0. The purpose is to Pre-Filter the water used in the Berkey which will extend the useful life of the Berkey Filters. Both brands use activated carbon filters made from coconut shells. Travel Berkey Water Filter. 1 month later, I noticed water was filtering a lot faster than usual. Wirecutter tested Berkey filters that it found to be. $50. Then allow the exterior wall of the Black Berkey element to sweat beads of water for about 10 seconds. Berkey is involved 2 lawsuits, one is a class action lawsuit and the test results from a reputable lab, used as evidence, are dismal if not shocking. Steel costs more than plastic. Our reliance on plastic, especially in the form of single-use water bottles, is staggering. Calculated upon the cost per gallon for replacement filters and energy costs, distillation systems and RO systems properly maintained typically cost between 35-65 cents per gallon. This system included a 2. The Berkey water filter ban in California sheds light on the complexities of water quality regulations and the importance of certified filtration systems to safeguard public health. The Big Berkey with the full four Black Berkey filter elements provides a 7 gallons per hour flow rate compared to Alexapure Pro’s 9. This system included a 2. 25 Gal - Silver. Pueblo, Colorado 81006. Bob Lane November 3, 2023 at 11:16 PM. We have not done any testing for the removal rate of ionic minerals. 5″D x 21″H when assembled. but the tendency is so strong that Berkey is likely to concentrate on solving the problem from its production point of view. 00 $ 50. FOR IMMEDIATE RELEASE TO THE PRESS Download press release (. 7. *. If the problem were just the nuts then all you would need to do is go to the hardware store and get a couple of stainless steel wing (or regular hex) nuts of the correct size. Poor thyroid health. With tap water in US cities being heavily contaminated. Big Berkey is the most popular size, with a storage capacity of 2. The brand's water filter systems employ cutting. 6%Answered. 5 liters) Upper chamber nests within the lower chamber for transport and standsonly 13" in height. If your Black Berkey Water Filters have an. Actually, his name is Jeff. Berkey Water Filter - Arsenic: Approx 90% (unspecified). and also Crystal on January 21, 2021`reporting Berkey black filters failing after 2 months. On July 23, 2022, I placed an online order at for the purchase of a "Royal Berkey and Stand. The manufacturers of Berkey claim that this filter can remove a huge number of contaminants as compared to other filters. 9 thoughts on "Berkey Statement Regarding Berkey Water Filter Lawsuit" Leave a. AlexaPure filters water through a dense carbon block filter that also uses a hybrid ceramic. “The U. pdf) BERKEY WATER FILTERS SUES THE EPA. Toxicity to the blood system. Not to mention, both Brita and and Pur remove less than the Black Berkeys. Looking at the Zero Water Filter vs Berkey water filter systems on the surface, both filters seem fairly similar. The system uses gravity to send water through filter media, removing more than 200 contaminants. It was right here that I read a report from ET on June 9, 2022 having a problem with replacement Berkey filters after using them for just 1 week. Some people want to know if the Berkey® water filter system (Black Berkey filter elements) will remove minerals from the water. A guide with step-by-step instructions and a video on how to clean the Berkey stainless steel chambers, filters, and spigot. 1 gallon stainless steel chamber (upper chamber to put in. ago. **For Super Sterasyl Ceramic Filters Only, these DO NOT attach to the Black Berkey Elements. The versatile Big Berkey® System is ideal for small to medium-sizedfamilies, and for use during travel, outdoor activities, or unexpectedemergencies. Berkey water filter is actually classed as a water purifier as it exceeds the industry requirement which is to remove at least 99. The Black Berkey purification elements, designed to last approximately 3,000 gallons each, can serve a typical household for several years. But I’d suggest you take a look at the faucet selection (link to faucet selection) and choose one that matches the look of your kitchen. 5 gallons). Additionally, a two-pack purchase of Pro One G2. #1. The ONLY reason I bought the Berkey was because it was the only one that I could get filters to get rid of the fluoride. …If you just purchased your Berkey system and the filters hardly filter water, the problem is typically due to high water tension. R. The filter also failed the dye test on 3 separate filters. S. #1. Then I would HIGHLY suggest getting a Berkey filter for your home. The filters lifespan also plays into the overall cost of owning your water filter. 5. Specifications. Berkey’s gravity-fed water filters have dominated the market for more. About Us. 9999%). and if you don’t mind how it looks than no problem. The Berkey filtration system is a type of gravity-fed water filter that falls into a broad category. [deleted] • 3 yr. Berkey systems are reasonably priced for drinking water filter solutions. Discussion starter. The Big Berkey can be kept wherever it best suits you. However, the price cost will still depend on the type of water filter. The system consists of upper and lower chambers, with the upper chamber holding the. S. . From $ 367. So far I’ve only run tap water through them, and according to EWG tap water database, my municipal water compares quite favorably to much of the rest of the country, so they aren’t being put through anything strenuous, but I’m pleased with what I’ve seen so far. Berkey is the more cost-effective option up front, and it also wins out over time. There are 2 ways to tell the filters may need to be changed: 1. By far the biggest problem with ProPur countertop water filters is that it is either not available or very hard to purchase in the United States. Filter. Problems Solved With The Berkey Water Filter This is why I was excited when Berkey reached out to me and offered me The Royal Berkey Water Filter system, which holds 3. Our Berkey Care Lifetime Warranty covers manufacturing and workmanship defects to the stainl See full list on berkeyhome. Resolving The Issue 1) If your filters have stopped working; you can scrub filters with a scotch-brite pad or stiff bristled brush under running water. theberkeyguy. Chat During Business Hours for an Immediate Response. 6. Fit the knob (1) onto the lid (2) by inserting the screw (3) up through the hole in the lid and screwing on the knob. 25 gallons. The 1 quart stainless Go Berkey system and the Sport Berkey portable filter are shown on the right. Add a comment. Travel Berkey Water Purifier with 2 Black and 2 PF-2 Fluoride Filters. 45 ounces. This high water tension prevents the air from being purged from the micro pores of the new filtration elements. Water flows through black Berkey filters in the upper chamber, and filtered water collects in the lower chamber for drinking. Rawles: I expect you have already heard about this problem, but the black Berkey water filters have an alarmingly high failure rate (in my personal experience, for what it’s worth, 4 out of 4). The result of this is that it can remove around 99. pdiesel · #9 · Dec 4, 2011. Travel Berkey Water Filter - 1. 16. Berkey filter problem still not fixed! My replacement filters (Black Berkey Filters) have the same problem. 5317 Peachtree Blvd Unit T140. Add all to Cart. Priming and re. No one comes to the father but by me" - J. High quality filter elements. Comes Standard with 2 Black Berkey Filters (Approx 6000 gallons = 4¢ per gallon!) Includes Primerite Kit, Anti-airlock clip, and Red Food Dye for testing. If you have a major problem with fluoride in your water, Berkey recommends installing separate PF-2 filters in the lower chamber, which are designed specifically to reduce arsenic and fluoride (two. Fluoride may cause neurotoxicity in laboratory animals, including effects on learning and memory. Clearly the Berkey water filter does some thing, everyone acknowledges that from what I’ve seen… What people challenges is does the Berkey do what it claims to do. Berkey heavy metal water purifiers fitted with Black Berkey purification elements will remove 16 heavy metals commonly found in drinking water, including lead (99. According to Wirecutter by The New York Times, one of the big problems with Berkey water filters is that they aren't NSF/ANSI certified. Thus, #9 requires that the two glass jars that are shown in the video and that receive the output from our two Black Berkey filters must be capable of receiving about 1 gallon each. (“NMCL”) and the James B. 2. 5 gallons per hour. What he DOESNT recommend is "alkaline ionizer water machines" because those leach FAR MORE metals and dont even purify the water, they kill the water through electrolysis. How to assemble Big Berkey Water Filter System - Full Tutorial for Beginners. IMPORTANT: Truth About Fluoride no longer recommends the Berkey as an approved fluoride filter. Zero water cartridge filter has an average rating of 4. Berkey water filters are banned in California because they aren’t NSF certified as required by state laws. 5” in diameter. 50 per bottle (on the road), that’s roughly $1,570 savings in water ($370 if filling from a dirty source as the filter will clogged up faster). PF-4 Fluoride and Arsenic Reduction Filters are designed to be used in conjunction with the Berkey Earth® Elements or the Super Sterasyl™ Ceramic Filter Elements. Troubleshooting Which product below may we help you with? Black Berkey® Elements Berkey Earth® Filter Elements Berkey® Fluoride and Arsenic Reduction Elements Super Sterasyl ™ Ceramic Filters Spigots. 3-4 months later, one of the Black Berkeys came apart, just like yours. The Black Berkey filters can tackle more than 200 common drinking water contaminants, including bacteria, chlorine, fluoride, arsenic, pesticides, and more. Best Portable Fluoride Water Filter: Berkey. And cost sooo much more money. 9%. It seems to only be available in the UK and is almost identical to the US based Berkey water filter. Skip to content Black Friday Event > Free Shipping on Orders Over $79 to All 50 States. The Big Berkey water filter is a gravity based water filtration system. Finish: High Polish Stainless Steel. Only. What if I had been trusting my life or health to this filter? What if I had put in some water with pathogens and cys. Big Berkey Cons. The Royal Berkey 3. Costs Over Time. No one comes to the father but by me" - J. No problems at all. (see #1 and #2) 1) Purging filters with Berkey Priming / Purging Tool - This. The Environmental Protection Agency (EPA) establishes drinking water quality standards and monitors how states, cities, and water suppliers execute those requirements under the Safe Drinking. The Black Berkey replacement filters are $120 for a set of two, and you can get a stainless steel stand for the filter for $35. Here’s another picture, this one looking down the inside towards the bottom – where. There is also the option of purchasing a water filter together with the. The Royal Berkey 3. The Big Berkey Gravity-Fed Water Filter is a stainless-steel portable water purification system designed for use by up to four people. . The majority of them are related to the design of the water delivery system, rather than the filters themselves. 7 liters. I used a Berkey for nearly a year in a craphole Pakistani town with no running water or sewer in the town to keep a team of 9 military and civilians supplied with clean water for drinking, cooking and ice making with no issues or people getting sick. Shepherd Trust, the brand owner of Berkey Water Systems, filed a lawsuit against the EPA (United States Environmental Protection Agency) in August of 2023 seeking to stop its unjustified treatment and perceived persecution of Berkey Water Filters based on the. This means you can count on fresh filtered water even if you happen to be miles away from the nearest store. Shepherd Trust, the brand owner of Berkey Water Systems, filed a lawsuit against the EPA (United States Environmental Protection Agency) this week seeking to stop its unjustified treatment and perceived persecution of Berkey Water. Unleash the Power of Pure Hydration with Berkey Water Filters. in this thread in this sub-forum in the entire site. The spout on the Travel Berkey is ergonomic and easy to use. A Berkey system typically costs about 2 cents per gallon. Easily, its filter elements are straightforward to clean, allowing each berry element to filter 3000. This includes disinfectants, pathogens, bacteria, cysts, heavy metals and even some radioactive elements. 9%. Like Berkey, Zero Water’s filters are gravity water filters, and send water through 5 stages of filtration to remove more than 99% of dissolved solids, including heavy metals. Our verdict: The countertop Berkey water filtration system is Berkey’s most popular filter for good reason: the Black Berkey filter elements remove more than 200 contaminants and have an impressively long lifespan, despite a few design flaws with the system. But for $110 you can upgrade from two filters, called the Black Berkey Elements, to four. The water is filtered through a gravity drip system and no electricity or batteries are required. 6 pounds and can filter 6. If the filter is NOT primed and ready to perform, then we have a major problem -- either in how consumers are told to use the filter in the first place or the labs are being given a special set of test instructions that do not reflect real world use. What is a. I recently (2 days ago) decided to replace the old filters, and install the 2nd pair of new filters. D. We recommend the larger Royal Berkey which is our 2nd most popular system and 1 gallon larger in. Here's my time-tested Berkey water filter review. Are these counterfeits. Environmental Protection Agency (EPA) over what it says are false claims by the federal agency that its products. It can also eliminate fluoride, viruses, bacteria, lead, arsenic, and mercury, thereby producing clean water for the family. C. #1 gravity water purifier. Skip to content Black Friday Event > Free Shipping on Orders Over $79 to All 50 States. A Berkey water filter system reduces way too many contaminants to list. 25-gallon tank of water. Environmental Protection Agency (EPA) over what it says are false claims by the federal agency that its products are “pesticides. Preserves healthy minerals. BERKEY WATER FILTERS SUES THE EPA. 1 gallon stainless steel chamber (upper chamber to put in unfiltered water and lower for the water to filter to), 2 Black Berkey purification elements, and a plastic spigot. 01. Need Help on the Go - Text 1 (800) 350-4170 During Business Hours. If you use your Big Berkey to filter around five gallons of water a day, then the filter will last you about 1200 days – which is three years. 9% of lead, while Waterdrop claims its gravity-fed water filter can remove up to 99. One product that can aid in the removal of nitrates is the. The EPA only this year decided that its 2007 rule requiring registration of electric ion-generating devices requires registration of Berkey’s gravity-fed non-electric filters. The Big Berkey is not expected to be available until 1st quarter 2024 due to production issues. Christ. Berkey USA Troubleshooting Tips:. Both Aquacrest and Berkey filters have the same lifespan: Black Berkey Purification Elements or BB9-2 (6,000 gallons per set of 2), Berkey Fluoride Filters or PF-2 (1,000 gallons or up to 1 year) We previously compared the Nikken Water Filter vs Berkey, and during our analysis, we found that Berkey does not certify its filtration equipment. (“NMCL”) and the James B. It is going to be a lot easier to carry an 11 ounce filter than a 7 pound filter. But these are not the only issues that the filter faces. C. 75 gallons for their filter systems. $ 40500. Status: Resolved. 9% of lead from drinking water, as well as other heavy metals like aluminum, chromium-6, iron, and zinc. Less than 3¢. The water then. We stock the entire Berkey product line at our facility. This filtration system has a 2. Showing all complaints. Petroleum products are made from crude oil, a mixture of hydrocarbons and diatoms. The Travel Berkey® water filter is the ideal travel system. Berkey water filters are a necessary part of keeping your Berkey water filter system running. Fluoride Reduction: 99. The chemical taste left behind new filters remains after 10 refills of a Royal tank filtration process. 1. And don't let its small size fool you, it performs. According to the Earth Day Network, a mind-boggling one million plastic bottles are bought around the world every minute. . Berkey Water Filter is Making You Sick, And Here’s Why! Essentially, the Berkey water filter system claims that it removes plastics, other factory contaminants, carbon, Chlorine, and most importantly, nitrate. 3% on purchases with coupons at berkeyfilters. . , “Flint, Michigan, lead poisoning not a problem if you own a Big Berkey water filter: See lead removal lab test results at WaterFilterLabs. Test results show that the Big Berkey system removes up to 99. Berkey water filter reviews; Understanding Berkey gravity water filters; Comparison: Choosing the right size; Berkey pour filter review: Filter elements; Advantages, pros and one little controversyChlorine-- A powerful and corrosive cleaning agent that's been linked to premature skin aging and bladder problems. The multiple stages of the water filter. Black Berkey® Element Troubleshooting bbnmcladmin 2023-01-12T11:34:44-06:00 . Berkey reduces harmful pollutants, chlorine, fluorine, and toxic heavy metals such as lead and mercury without removing the beneficial and healthy nutritional minerals of the water needed to maintain a healthy body and sound mind. The kitchen counter tends to be where most people place it. creek, pond, lake water, etc. The Black Berkey filters last much longer – each has a capacity of 3,000 gallons. Zero Water. 371 people have added this to their cart recently! (424 reviews) $347. Is Your Berkey Not Working Properly? Fear not. Priming Issues: Some spray head/custom faucets are not able to properly prime your Black Berkey® Element and Flouride & Arsenic Filters. It's a travel Berkey with 2 black filters and 2 fluoride filters. 0 Gallons. Crown Berkey. com. About; Careers; Read. At the bottom of this statement is a link to NMCL's page that shows examples of Berkey counterfeit products that are unfortunately saturating the market. While other filters like my old Brita needed to have a replacement every 3-6 months, the two Black Berkey filters will purify 6,000 gallons before needing replacement. Shepherd. Thus, #9 requires that the two glass jars that are shown in the video and that receive the output from our two Black Berkey filters must be capable of receiving about 1 gallon each. It causes leaks between the lifter and the plastic piece. 1% of heavy metals such as manganese in the drinking water. 00. BPA-free bottle holds 22 ounces. Taking into account that a filter is worth around 640 bottles of water, at an average of $2. Cost Per Gallon. Berkey Water Filter Facts. Gravity fed systems that require no plumbing or water hookups for use. Hey Patrick. 4-log reduction means that the concentration of the contaminant has been reduced by 99. In an emergency, increase (the number of individuals in your group) X (1 gallon). Replaces used filters in your system. Spread the Word—Share and Repost! We encourage you to share or repost this story and our original. (“NMCL”) and the James B. In fact, of 57 test buys of Black Berkey® Elements purchased from unauthorized sellers on two major platforms, 51 test buys (89%) were confirmed as being counterfeit—meaning that 89% of sales from unauthorized sellers were just generic, untested Chinese or foreign carbon block filters packaged to imitate the appearance of authentic Black. I inspected it further and realized I may have over tightened one of the filters and because it pours water faster than the other. This test is the most straightforward and dependable method of determining if your filter is still effectively filtering water. Much of the preparedness community has known ‘The Berkey Guy’ and his company for many years. About the Lawsuit. It. The Problem with Plastic. ”. If your water is. 25 Gallon Water Filter Special Set. Constructed of highly polished AISI 304 stainless steel. 2 (filters) x 3,000 (gallons) = 6,000 gallons filter lifespan. 7+ Reasons We Purchased aBerkey Water Filter System. It includes stainless steel housing (Upper, Lower, Lid and spigot), 2 Black Berkey Filters, and 2 Fluoride Elements. For our family of 5 (almost 6) we go through a day’s worth of water using the Imperial Berkey (4. Bacteria Growth Opportunity. 0 adds up to $156. 2 gallons (with the maximum number of filters). Best for Home Use & Emergency Scenarios: Big Berkey Gravity Water Filter. The downside of Berkey water filters: my experience. in this thread in this sub-forum in the entire siteIve got a royal berkey with the black filters (two) i took it apart to clean & store it, when i removed the filters the base fell off of both of them, looks. One. Say you. According to laboratory tests done at Environmental Toxicology Laboratory in Los Angeles, the Berkey Water Filters can remove nitrates up to 95%. The carbon and base do not stay together. 25-gallon tanks for a total capacity of 4. Make a little trickle of water appear by turning the faucet on just a little bit more. Make sure to prioritize priming at least every six months. It’s important to ensure the water your family drinks is completely. It seems to only be available in the UK and is almost identical to the US based Berkey water filter. Again, the Travel Berkey can filter both well and city water, and works to free water of everything from chlorine to lead and pathogenic. Several years ago I bought berkey black filters through Amazon. How to clean a Berkey water filter system. We had a Berkey and after some time our water became cloudy and tons of mineral build up around the filter and main spout. AW wouldnt be recommending the Berkey if it was not safe. This filter system costs $279 and has a capacity of 2. Remove the upper container from your Berkey water filter system and pour out any water it contains. I purchased a Big Berkey, with 4 black filters, several years ago (well prior to the well-publicized issues with the mis-glued caps). David February 21, 2021. Contents. Next, fill your upper chamber with water and add 1 teaspoon of red food coloring for every gallon of water (only red please). Best Water Filter on Remove Fluoride furthermore Chlorine; Our Chromium 6 Water Filter; Best Chloramine Water Tap; Best Water Filter to Remove Sodium; Getting Kits. But there are issues with it, (design flaws) that cause it to not fun. Step 5. The Black Berkey filters last much longer – each has a capacity of 3,000 gallons. Their companion, the Berkey Fluoride filter, ensures an added layer of purification for about a year under regular usage. The water then flows down to work through the filters. Black Berkey filters exceed EPA log 7 ANSI / NSF protocols for filtration and are rated as water purifiers. The black filter can remove chlorine as well as MTBE’s, lead and heavy metals up to a level of 95%. Berkey, a name synonymous with quality water filtration, has stepped up to tackle the forever chemicals crisis head-on. I had to get this one out. Hand tighten only, no need to over-tighten. Storage Capacity: 2. Problem: For the Big Berkey's Black Filters to be fully submerged, the upper chamber must be filled nearly to capacity, which is 2. For one the Alexapure Pro Water Filtration System and the Big Berkey both have stainless steel outer shells. 9% of bacteria that are harmful to. This system included a 2. For average daily usage, multiply the (number of individuals in your group) X (.