Pharmaceutical Drugs, Hormones, and Chemicals in the Water
We read more and more all the time about more and more pharmaceutical drugs, hormones, perchlorate, mtbe and other chemicals in the water, and more and more people are getting really concerned. We won't spend a lot of time here talking about the risks. You are probably reading this because you already are concerned about the risks of drugs in the water - and you want to know what you can do about it.
We do have information on the site discussing risks of drugs in the water supply; one page can be found here: Drugs in the Water.
We all love those charts that has a long list of all the contaminants that a given filter will remove and that show the exact percentage that each metal, chemical, etc. is removed. Such test results can serve some purpose and provide an indicator about the effectiveness of a particular filter. You will find some test results like that on this site. However, there are some things that really limit their usefulness. One is that testing a filter at one stage - likely when it is new or almost new - doesn't really tell you how well it will work after three, six or twelve months of usage. It's pretty easy to set up a test to show a large percentage of contaminants filtered out by a newer filter, but have its performance tail off dramatically because there isn't enough filtration material for it to continue at that level for long. Another particularly relevant issue as regards the every-growing stew of small amounts of chemicals and pharmaceuticals and illegal drugs in the water is that it is hard to do a realistic test. What is in your water supply one day could vary a lot from what is there a month later. How the chemicals and drugs in your water supply combine is simply unknown. How can it be known exactly what a filter will remove when you don't know what is in the water to begin with - and when it varies by variety and time and place and amount?
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The Filters Selected and Sold by friendsofwater.com
We are always on the lookout for good water filters. We have chosen the ones we sell because we believe them to be the best - and for very good reasons. While we have been offered the opportunity to sell several other lines, our preference is to offer only those that we consider the best and the best value.
We still offer the full line of whole-house, shower, bath, garden and kitchen filters that we have for years. Our manufacturing partner has added several new models designed to address current concerns - several of these at our request. The new filters put additional filter material to work on the contaminants that are of particular concern to you. Our 2-canister FLUORIDE PLUS filters are still the biggest seller for us, because they combine the right filter materials to address most problems in municipal water in addition to fluoride, and they have more filter material than is found in other similar-looking but cheaper filters.
However, the number of filters we now sell with a third canister to address chloramines (now in some municipalities), mtbe, chemicals and pharmaceutical drugs is rapidly growing. A chloramine filter is designed to optimize removal of chloramine for example. The others with an 'extra' canister are designed for targetted usage, or as more general insurance protection, as they are designed to remove a broader range of contaminants by using more of the right types of filter material.
Those of our specialty water filters can be found that INCLUDE fluoride removal can be found in the store under the category Water Filter Kitchen in the FLUORIDE PLUS Water Filters section.
Water Filter Pitchers
In July 2009 we finally found another line of filters that also do a terrific job of filtering, and have added them to our offering. For the kitchen, we now have water filter pitchers that deliver filtration that is far superior what has been available in filtering water pitchers to date. And although they are relatively new, the filters are the most-tested water filters we've ever seen. They are effective on the complete range of contaminants.
The kitchen canister filters - both countertop that screw onto your faucet - and the undercounter units - are less expensive over the long run becuase they filter far more gallons of water. But if you need a more portable solution or want to get good filtration right away and your budget prevents you from getting a canister unit - this is a remarkably good filter at an affordable price.
To learn more about the pitchers, click here: water filter pitcher
To go to these pitchers in the store, click here: water filter pitchers
What About Reverse Osmosis?
We've never been fans of reverse osmosis for a number of reasons.
For more discussion on that general topic, visit the page Water Filters.
But will reverse osmosis filters remove pharmaceuticals and other chemicals now found in our water supply? The answer is 'partially'. Reverse osmosis works by separating water with contaminants from water without by passing it through membranes. If the molecules of a drug or chemical are smaller than the membrane filters out, then they will pass through. How many, which drugs and chemicals? How can one say when they are different all over?
And for those of us who care about our environment - we have a serious issue with the idea of sending the chemicals, drugs and contaminants back into the water supply - which is what happens when you use reverse osmosis. The contaminants go back into the water in the large amount of water wasted when your r/o rejects it.
How Do the Kitchen Undercounter and Countertop Filters We Sell
Work on Pharmaceuticals?
There is a lot of description about how our countertop and undercounter filters work at Water Filters, so we won't repeat it all here.
As it relates to the issue of chemicals, hormones and pharmaceutical and illegal drugs in the water, however, here is the why we believe this type of filters works best:
These filters contain media that are a combination of the top-quality filter materials that remove the contaminants that might be found in municipal water. (We have well water filters, too, addressed elsewhere, although as far as drugs in the water goes, all this could apply.) The idea is to put large amount of the best filter material to work for you so they filter as much as possible under all circumstances.
All the countertop and undercounter canisters we sell include at least one sediment filter in it to remove particulate matter.
Fluoride is taken out of the water by activated alumina. This is not the processed aluminum we all rightly concerned about. That is a more highly-processed material, the production of which includes adding fluoride! So there is no aluminum to leech into your water. Fluoride, which is a highly reactive molecule, travels through the water as part of a metallic compound. That compound is magnetically attracted to the activated alumina and adheres to the surface.
As regards this topic, kdf (in all our Standard filters) filters chemically-based contaminants. (In addition to much more - addressed on the multiple advantages on the water filter page referred to.) So kdf works on pharmaceuticals, drugs and other chemically-based contaminants.
Granulated carbon filters are effective on organic-based pharmaceuticals, which includes hormones. Combined with kdf, carbon filter material works better and lasts longer.
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The filter materials in each of these filters has been shown to filter many hundreds of contaminants including chlorine, chlorination byproducts, perchlorate, arsenic, lead, hormones, heavy metals, trihalomethanes and pesticides in much the same way that Mother Earth uses the minerals in the rocks and ground to clean water as it runs through to the aquifers. The idea is that these canisters include the right filter media to address the contaminants you might find in your municipal water, whether chemical or organic based.
In most circumstances, filter cartridges only need to be replaced once a year. We've had a few in LA and one in Chicago where it seems more frequent changes are needed.
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