Re: RO or Ion-Exchange Resins??

["Al Smith" <alsmith1@mindspring.com>]

There is a unit that is manufactured in Germany by AquaTech called the
kati-ani system ..it is a DI unit that uses seperate kation and anion resins
in there own containers...From what I am told by people that use them
(mostly discus people)that they are the tops in DI units..they are also
rechargable using muriatic for one resin and lye for the other resin...there
is also no water waste is in RO water...it exchanges hyrdogen ions for
carbonate ions..also removes phosphates & silicates ..finish water is 0 ppm
and a ph around 5.4-6.0..I have been looking for one myself used..as they
range in price betwwen 320- 550..depending on model size...There is a person
on this list that has one and I forgot his name..but he sent me all the
instructions on recharging and it does not seem hard..he has had it for 5
years now and still works perfect..well thats all the info I can give you...

Al
alsmith1@mindspring.com


----- Original Message -----
From: "Arthit Prasartkul" <apisto@thailand.com>
To: <apisto@listbox.com>
Sent: Tuesday, October 16, 2001 1:44 PM
Subject: RE: RO or Ion-Exchange Resins??


>
> > the KH/pH lower will lower the KH as well as the pH. However it is not
> > lowering the general hardness of the water. So you will still have to
get a
> > RO unit if you want to lower the hardness of your tap water.
> >
> > Eric
>
> Thanks all for your promply responses. I stil don't quite get it with the
water chemistry. Would anyone please kindly explain the relations between
General hardness, KH and pH please. That will be very helpful..
>
> If the pH and KH had been lowered, would this be enough to satisfy the
apisto's needs and preferences?
>
> Cheers,
>
> Arthit
> Bangkok, Thailand
> --
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