Re: [Killietalk] pH (was Re: copper leaching from new plumbing)

[Maero77 at aol_com]

Does anyone use polyfilters?  You know, the ion exchange pads that  most of 
the well stocked LFS's have.  If you use them in freshwater, you  recharge them 
by rinsing in saltwater and if used in saltwater, you rinse them  in 
freshwater.  I have used these for a number of things from amonia to  copper sulfate.  
I'm just wondering, based on the discussion, if anyone has  any experience 
with these.  I have also used them blindly, not knowing what  I was removing, 
and had miraculous results where the fish became less stressed  after the tank 
turned over a couple of times utilizing a simple power  filter.  I simply cut a 
portion of the poly filter at about the size of the  pre-made pad and 
installed it in it's place.
 
I also have used them to filter rainwater before I use it.  What  happens is 
that the filter will discolor and it is indicative that it is  working.  It 
also filters mechanically.
 
Mark Delraso
Columbus, Ohio
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