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Re: [Killietalk] Chlorine and Chloramine.
I guess it's a moot point as I'm building a charcoal filter anyway.
Don't bother, unless you get a chlorine test kit to learn how to use the
filter on *your* water. Flow rate (i.e., contact time) is critical and
varies a lot with design of the filter, temperature, size of the carbon
granules, and the kind of "activation" applied to it.
You also need it to measure "punch-through" when it is time to change
the carbon. Because they can saturate abruptly, and start letting
chlorine through, they are a disaster waiting to happen if you forget to
change when due. That's why I like a tap between two filters so I can
see when the first one needs replacing (is leaking some chlorine) but
the 2nd one catches any of that minor leakage. With change often needed
only every six-nine months, that means a *lot* less frequent testing is
Carbon from #2 (barely used) then goes into the first filter, and new
activated carbon is put in its place, ready to repeat the process.
BTW, always use fresh activated carbon from properly sealed containers.
Bulk may be cheap, but you never know what it has already adsorbed and
is prepared to release into your tanks as water flows through it.
Wright Huntley -- 760 872-3995 -- Rt. 001 Box K36, Bishop CA 93514
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