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Reliance On Bleach Mistake Part2
by David Andrew Smith
In the first part of this article I went through a summary of
some of the reasons why we seem to rely on bleach as a staple
household cleaner namely it seems to clean and it smells clean,
therefore it must clean. Have you ever tried to remove mould
with bleach? From window frames and bathrooms? It certainly
seems to remove it and they come up looking nice and clean.
Sometimes after only a couple of weeks the mould is back and
within a month as bad as it ever was.
Now when you look at cleaning tips bleach is often mentioned as
the product of choice for removing mould. However we all know,
those of us who have tried it, that, although it works in the
short term we have to keep repeating the process. Why do we
continue to do this? Its not the fault of the bleach, it is
because it happens to be a particularly damp spot and therefore
attracts and stimulates mould growth. So it is just something we
have to put up with. Very few will question whether it is the
fault of the bleach being ineffective in the removal process.
It can’t possibly be the bleach. This is such a wonderful
product that does everything its simply the design of the
building.
If we look at this closely we do in fact end up having to blame
the bleach as being not very good at removing mould or mildew.
Why is it not so good? Most household surfaces that attract
mould growth are by their nature porous. The fungal spores
disappear into these pores and germinate spreading the growth
over the surface. To completely remove the mould we need to get
our ‘killing’ chemical into the pores to destroy any lingering
spores. The chemical nature of bleach is such that the chloride
ions are actually repelled from the pore entrance so the killing
power of the bleach is entirely restricted to the external
surface. It leaves any mould structure and spores that are
embedded in the material to live on and fight another day.
Hence the reasons for their swift return to once more blacken
our world! In order to destroy all the fungi within the porous
material you need a fungicide that will not only kill the mould
but also its spores. Fungicides can penetrate the pores do this.
An added benefit is that the fungicide can remain active within
the structure for some time thereby killing immediately any of
those unsuspecting spores that fall out of the air into the
pores. This method considerably lengthens the time interval
between removing the mould and its reappearance.
Any good cleaner when confronted with mould will use a
fungicide and not a proprietary cleaning agent such as bleach.
Remember that next time you call the cleaners in to give your
property a deep clean.
Watch out for Part 3 that will follow shortly.
David Andrew Smith has been working for many
years in the cleaning industry.
Please Visit http://www.wesparkle.co.uk for more information
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