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It may seem that a carbon based filter would be a great choice for
dechlorinating your shower, as they are in use in so many homes to
filter drinking water. Carbon is great for dechlorinating ambient or
cooler water for drinking.
The problem with carbon based filters is that at higher temperatures the
carbon can ‘lose’ the toxins it is trying to filter allowing them to
ooze back into the very water source you are trying to clean! Carbon’s
absorbent and porous nature can, also, allow toxins to remain in the
very filter itself. Neither of these attributes of the carbon
based filters made me confident that they were actually achieving the
result I wanted i.e. chlorine free water!
Another problem I had with the carbon based filters is that they are
very large and somewhat obtrusive and therefore not aesthetically
pleasing. Carbon based filters will always have to be in a large housing
in order to achieve the same density as a KDF filter.
So that leads us to KDF filters and why a Rainshower filter was the
obvious choice for me and my needs. Rainshow’r Mfg. Co., Inc.,
were the pioneers and innovators who led the way to KDF filters to
become the highest grade of shower filter on the market.
Rejecting Calcium Sulfate and carbon based filters as inferior,
Rainshower strived to produce the best shower head with the most
effective dechlorinating medium-KDF. Rainshower researchers decided that
KDF or atomized brass was their most effective choice for chlorine removal.
KDF is also bacteriostatic (inhibits reproduction), and tends to reduce
or eliminate fungus and mildew build up in the shower. This is a much
more intelligent choice than carbon based filters, which due to their
porous nature can harbor toxins after and even worse . . . during
your shower.
The best news of all . . . a KDF Rainshower filter does not harbor
toxins or release them back into the shower water.
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If you are wondering exactly how a Rainshower KDF filter works, here is a little information from the people at Rainshow’r Mfg. Co., Inc.-it quite interesting:
505 Medium Pressure Filter with KDF granular and KDF Filament
KDF is comprised of 50% copper and 50% zinc. It removes free chlorine by reversing the electrochemical process that originally separated the chlorine from sodium in a brine solution.
Here's how it works: Copper and zinc are dissimilar metals. The tension between these metals generates between 900 and 1100 millivolts of electricity in an aqueous state (i.e., as water passes through the media).
This is enough electricity to generate a galvanic charge, which reestablishes the original electrolytic environment that liberated the free chlorine. The chlorine is able to recombine with the most prevalent metal in the water, usually calcium, to form a soluble chloride, which washes out of the filter and is harmless to humans.
KDF not only offers superior dechlorination capabilities, it lasts much longer than carbon
filters. Depending upon the filter model and the amount of KDF, a KDF shower filter should last seven to nine months.
However, it should be noted that KDF's effectiveness is measured by its ability to generate the electrochemical action described earlier - not in gallonage. The cathode-anode relationship between copper and zinc (which generates the galvanic charge) is disrupted by particulate contaminants in the water.
As a result, the less particulate matter in the water entering the filter, the longer the KDF media will generate adequate levels of electricity to effectively remove free chlorine.
This means in simple terms that a KDF shower filter in Bangor, Maine, where the particulate contaminants in the water are low, will last a lot longer than
a KDF shower filter used in Albuquerque, New Mexico.
So after I reviewed all the facts about chlorine and its ill effects on humans, I wanted to remove
this toxin from my shower water. You should consider the same
strategy and invest in a Rainshower shower
filter.
The Rainshower is the shower head filter of choice to do what it was
designed to do . . . dechlorinate.
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