1- Kalkwasser is simply
calcium hydroxide dissolved in
water, kalkwasser adds
virtually nothing to the water
that is harmful, only calcium
and hydroxide ions,
kalkwasser precipitates out
phosphate, which allows
calcification to occur. Due to
its high pH (12.00+),
phosphate precipitates out as
calcium phosphate.
Kalkwasser is also relatively
easy to make and is
inexpensive. All that is
required is to add the dry
powder to water and shake it
up.( Allow the cloudy mixture
to settle and then use the
clear liquid as make-up water).
Now there are even
kalkwasser reactors available
that do the mixing and
stirring. These have come to
be called "Nielsen reactors."
2- phosphate reactors are
Specifically designed for the
removal of phosphate, with
the use of a phosphate media,
you can also use other
granular media such as
activated carbon, nitrate
sponge, etc. |