One must
not think too much before making an investment in health-related
products and investing in a water
purifier
is just that. But, before you even decide to buy a water purifier,
you must get your water supply checked for quality to make sure that
you need one. And if you do need one, you should be sure of exactly
what you need in a water
purifier.
If you follow the steps described below, you will be able to select
the best water purifier.
Your
need for a water purifier will lead you to choose between UV, UF and
RO, either individually or in a combination of two or all three. This
will depend on the impurities present in the water, which can be
suspended, dissolved or biological.
The
criteria for choosing the right kind of purifier is detailed below.
1. Physical
Appearance of Water
If the
water seems murky, it shows the presence of suspended impurities. For
this kind of water, you will need to use Ultrafiltration purifiers,
which use a semi-permeable membrane for water purification. The
pores of this membrane are much larger than those of an RO membrane.
2. Presence
of Dissolved Impurities
The
dissolved impurities present in the water contribute to the TDS
levels of the water. If the TDS levels in the water are high, they
must be brought down to an acceptable level as per WHO guidelines.
For this, you would need to use an RO water purifier.
They must not be used if the TDS levels are low.
3. Presence
of Biological Impurities
If there
are disease-causing germs present in drinking water, you are very
susceptible to illnesses. These contaminants can be disabled using UV
rays.
The main
criteria for the selection of the best water purifier must be nothing
but the source of water and hence the quality of water made available
to your homes.
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