POLYPHOUSPHATE 100% FILTER INGREDIENT-CELL SAFE ANTI
C. Scale Inhibition and Removal
This Anti-scale filter is best suited for protecting your alkaline water
ionizer from the ravages of hard water.
The formation of scale on surfaces in potable water systems is due to
the crystallization of carbonates or sulfates of magnesium or calcium
from solution. Very low levels of polyphosphates (1-10 ppm) interfere
with crystal growth. This type of scale inhibition is referred to as a
threshold property because it occurs at a level much lower than would be
required for a stoichiometric reaction.
Threshold inhibition by polyphosphates of calcium and
magnesium carbonate formation is particularly effective at a pH range of
8-10 where carbonate scale in potable water is a major problem. Calcium
sulfate scale is often a problem at lower pH ranges. The same mechanism
of scale inhibition that can occur with calcium carbonate at a high pH
range can also occur with calcium sulfate at a lower pH range at similar
low (1-10 ppm) levels of phosphate addition.
Experience has shown that polyphosphates not only
inhibit scale formation, but they can also help remove existing hard
deposited carbonate or sulfate scale. Pipelines carrying potable water
treated with polyphosphate for extended periods of time (several months)
first show a gradual softening of the scale followed by disintegration
and removal. The soft scale particles are deflocculated by the
polyphosphate and carried away resulting in a clean piping system.
No need to guess what your water hardness is. Test it!
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