Sp3 media scale prevention method uses nucleation assisted crystallization technology. As the hard water under goes nucleation in the pressure vessel, the calcium bicarbonate is transformed in form of calcium carbonate crystals. These crystals are formed through decomposition and crystallization process, forming very stable harmless crystals.

FILTERSORB® SP3 is certified under ANSI/NSF 61 from WQA, USA.

No TDS change:

As FILTERSORB® SP3 does not remove or add
anything to the water. As no ion-exchange chemistry is used,
the TDS of the water remains unchanged before and after the
treatment.

✓ No pH change: pH value of the water remains the same. This
factor makes the treated water suitable for almost any use
where corrosion is concerned.
✓ Minerals Preserved: FILTERSORB® SP3 does not add sodium
or any chemicals to the water. It simply preserves the Calcium
and Magnesium contents of water, making the treated water
arguably the healthiest mineral water available. Both Calcium
and Magnesium are quintessential for nervous systems and
muscles functionalities. They are indispensable parts in the cell
chemistry of the plants and most of the life forms on earth.
✓ De-Scaling: Not only does FILTERSORB® SP3 prevent scale
formation, but it also helps to remove the previously formed
scales. During the flow some of the micro-bubbles are losing
a small amount of CO2, which diffuses rapidly in water and
interact with surface scale, especially in closed spaces (pipes,
boilers, etc). As a result, the scale which is already present on
these surfaces is removed slowly.
✓ Biocidal effect: The NAC process creates the conditions that
water dissolved CO2 agglomerate to form micro-bubbles. These
CO2 bubbles actively destroy bacterial membranes acting as a
biocide. So along with the scale prevention FILTERSORB® SP3
also helps to prevent Biofouling.

Refer to https://watchwater.de/filtersorb_sp3/filtersorb_sp3.php for more information!