The Pure Water Occasional is a free email newsletter about water, water treatment, and water news in general.
Back Issues of the Pure Water Occasional (New Series)
Note: After April 15, 2013 all new Occasionals are archived on the Pure Water Gazette website. The list below indexes Occasional issues back to September, 2009.
September 2009. "Meshes and Microns: The Measurements of Water Treatment," by Gene Franks. "Numerical water facts from B. Bee Sharper."
October 2009. "Providing Water for Emergencies." by Gene Franks. "Humming is Good for You," by Hardly Waite.
November 2009. "How Much Water Should You Drink?" by Dr. Mauro Di Pascuale. "Numerical Facts about Animal Manure," by B. Bee Sharper.
December 2009. "The New York Times Great Water Article," by Hardly Waite. "Numerical Facts," by B Bea Sharper.
January 2010. "What Carbon Does and What It Doesn't," by Gene Franks. "Numerical Facts," by Bee B. Sharper. "Acidic Water."
February 2010. "Fluoridation: The Good, the Bad, and the Ugly, Part I," by C. F. "Chubb" Michaud.
March 2010. "Fluoridation: The Good, the Bad, and the Ugly, Part II," by C. F. "Chubb" Michaud.
April 2010. NSF/ANSI. What Is It All About? by Gene Franks. Dr. Douglas on bath pharmaceuticals. B. B. Sharper. Radium.
May 2010. "The Ceiling is Up and the Floor is Down: The Alamo Engineering Handbook," by Gene Franks. Steve Maxwell on "Why Water Should Cost More." Iron.
June 2010. "All About Water Softeners," Occasional Staff Article. "Gulf Oil Spill: A Hole in the World," by Naomi Klein (Guardian). B. Bee Sharper, "On Prescription Drugs." Hardness.
July 2010. "Raising the pH of Acidic Waters," by Pure Water Annie. "Arsenic," with a long cut from National Geographic News, New Products from Pure Water Products.
August 2010. "Winterize Your Lawn," Model 77's 21's Birthday, Pure Water Annie on Servicing Model 77, MTBE.
September 2010. "Getting a Perspective on Water Use," by Gene Franks. The Permeate Pump and How to Add a Permeate Pump to Your RO Unit. "Nickel." B. B. Sharper on Groundwater Usage.
October 2010. "Air and Carbon," by Gene Franks. Pure Water Annie on Airgap Faucet Installation. New EPA rule on dental mercury. "Chloride." The Dead Sea. B. Bea Sharper on Billions.
November 2010. "How to Fix Leaks in Quick Connect Fittings," by Pure Water Annie. "A Simmering Water War," by Jim Hightower, "Is Your Faucet Making you Sick?" by Doug Linney, B. Bea Sharper on Water, "Radium and Uranium," and Lead (contaminant of the month).
December 2010. "Probable carcinogen hexavalent chromium found in drinking water in 31 U. S. Cities," by Lyndsey Layton. "Most of the time no one is watching most of the water for most of the contaminants, "by Hardly Waite. "How to remove Hexvalent Chromium," and "How Static Mixers Work," by Pure Water Annie.
January 2011. How Much Sodium Does a Softener Add to Water?, Water Treatment for Rainwater, Fluoride Allowable in City Water Lowered, UnTruth in Advertising, Pure Water Annie's Whole House Filter Sizing Chart.
February 2011. More about Hexavalent Chromium, Ten Things You Should Know About Water, "What Carbon Does, What Carbon Doesn't," by Gene Franks, The Ups and Downs of Filter Cartridges (Which End Goes Up), by Pure Water Annie. B. Bea Sharper on Dams and other issues.
March 2011. Hardly Waite on National Water Security Rankings, Pure Water Annie on Finding Parts for Your Water Filter, and Introducing the Emily Reverse Osmosis Unit.
April 2011. Rain Barrels, Plastics, Introducing The Eliminator, A New Website Address. "In Praise of Tap Water."
May 2011. UV 101 by Gene Franks, Rain Gardens, Water Content of Trees, Fiberglass Mineral Tanks.
June 2011. Sizing Water Softeners by Pure Water Annie, Meshes and Microns by Gene Franks, Swimming Pool Leaks, Saving A Cell Phone from Water.
July 2011. Sizing Water Softeners Part 2, by Pure Water Annie. Dr. Mercola on Nitrosamines, Choramine, and Shampoo Ingredients. B. B. Sharper.
August 2011. The Best Water for Coffee and Tea. Multiple Filter Designs. Tiger Tom Explains How UV Works.
September 2011. The Power and Water Nexus. Pure Water Annie explains "The Peroxide Number."
October 2011, Pure Water Annie's Glossary of Water Treatment Abbreviations, Chloramines and Fish, The EPA, Water and Coal.
November 2011. Pure Water Annie on Pipe Threads. Gene Franks and Hardly Waite on Christmas Gifts. The Origins of Fluoride.
December 2011. Pure Water Annie on Well Pumps. Top Water News Stories of the Year.
January 2012, Pure Water Annie on Chlorine. Arsenic. Texas Drought. Texas Water.
February 2012. Pure Water Annie on Benzene. Lake Vostok. Banning Bottled Water.
March 2012. Pure Water Annie on Copepods. B. Bea Sharper on plastic bags. Fluoride in Food.
April 2012. Pure Water Annie on Booster Pumps. B. Bea Sharper on dog manure. USA Today on Dog Excrement. New Easiest Ever Filter. Arsenic.
May 2012. Pure Water Annie on Treating Water with Sodis and Salt, Hardly Waite on "fracking" and water treatment profits, B. B. Sharper on Animal Manure.
June 2012. Pure Water Annie on In/Out Filters. New "Sand Trap."
July 2012. Pure Water Annie Explains How Undersink Reverse Osmosis Works. The Economy RO Unit.
August 2012. Chlorine, Cholesterol, and Chickens.
September 2012. Reverse Osmosis and Refrigerators. The New Contaminant Index. Meat and Water Consumption. B. Bea Sharper.
October 2012. Bypass Valves, Watts UV, New Green Filters, Decaffeination.
November 2012. Septic Tanks, Whole House Filters, Calcium Scaling, How Softeners Work.
December 2012. Mercury in Tuna, Rainwater Runoff (Ocean Pollution), How To Sanitize An RO Tank, Winter Swimming, B. Sharper.
January 2013. Green Water Management. Pure Water Annie on Microbe Control. Camp Lejeune's Shameful Water Scandal.
February 2013. Hardness, Pharmaceuticals and Fish, Pure Water Annie on "Pressure, Flow Rate, and Delta P."
March 2013. Alum, Sinkholes, pH, Multi-Pure.
Special Product-Specific Issues
November 15, 2010. Undersink Water Filters.
December 15, 2010. Cartridge-Style Whole House Filters.
January 15, 2011. Multi-Pure Solid Carbon Block Filters.
February 15, 2011. Water Treatment with Aeration.
March 15, 2011. Pure Water Annie's Concise Guide to Pumps.
April 15, 2011. Garden Hose Filters.
May 15, 2011. Water Filters for Emergencies.
June 15, 2011. Backwashing Water Filters.
July 15, 2011. Countertop Reverse Osmosis.
August 15, 2011. Whole House Reverse Osmosis.
September 15, 2011. Sediment Filters.
October 15, 2011. Tank-Style City Water Filters.
November 15, 2011. The Amazing Permeate Pump.
December 15, 2011. Template Assisted Crystallization (TAC).
January 15, 2012. Electro-Adhesion Filtration Technology: NanoCeram Filters.
February 15, 2012. Information About Information: How To Find Things on Our Websites.
March 15, 2012. Water Filter Cartridges. Featuring Our Recent Cartridge Page Revision.
April 15, 2012. Undersink Installation in Tight Places. Low Water Backwashing Filter.
May 15, 2012. Chloramines: Myth and Reality.
June 15, 2012. Whole House RO. San Angelo Water Treatment Dilemma.
July 15, 2012. Water Testing. Sand Trap.
August 15, 2012. Our New Water Test Page. Taking Care of A Water Well.
September 15, 2012. Ultrafiltration. Birthday of the EPA and Model 77.
October 15, 2012. Installing Undersink Filters and Reverse Osmosis Units.
November 15, 2012. Water Softeners and TAC units.
December 15, 2012. Twin Tank Water Softeners.
January 15, 2013. Standard-Sized Filter Cartridges.
February 15, 2013. Chemical Feed Pumps.
March 15, 2013. Countertop Reverse Osmosis.
April 15, 2013. Small Commercial Reverse Osmosis. The Axeon LT-300. Archived on Pure Water Gazette.
Note: After April 15, 2013 all new Occasionals are archived on the Pure Water Gazette website.