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You will probably get away
with it for a few years and then you will try to figure out the
reason for your Koi dying with no visible signs or marks on them
... this can, and more than likely will be due to the oxygen
level being far below what your pond life requires ... We are
often told 'Oh we don't need an air pump - we have
oxygenating plants' ... well yes OK - these plants will
generate a certain amount of oxygen during the evening .. but
come the hot day time and they will take all the oxygen they can
out of the warmer water .. leaving very little for your Koi when
it may be noticed that they are gathering around the bottom of a
water fall or near to a Venturi .... a sure sign that they are
having difficulty in breathing.
To provide air in the
quantities you need you are really going to need an efficient
pump .... there are not many on the market that have enough
output air pressure in sufficient quantities to power, say 6 x
2" air stones or diffusers, or even a diffuser drain which
are now becoming very popular - especially at the time of a new
pond construction or a major re-build. The Air Pumps we list on
our pages will accomplish all these tasks - whether your pond is
just 1,000 gallons or 100,000 gallons !
Important notes about Koi Pond Air Pumps:
If you are deploying an Air
Pump to generate the Air for your system .. we do advise that
the air pump is located as near as possible to the outside Fresh
Air .. where there can be no danger of the Air Pump drawing in
bad smells, or fumes, which will then quite possibly severely
affect the quality of the air that you are providing for your
system ... which could, and has been known to cause problems for
the pond life, and it is extremely hard to identify the source
of this problem with the air supply in 99% of the cases never
being suspected ... so remember that prevention is better
than cure ..
At the moment we can offer
three manufactured brands of efficient Air Pumps ... the first
is probably the best known of the two and is the 'HI
BLOW' - the other a NEW One is the
- 'Nitto Kohki's MEDO BRAND' and the
last one is the 'SECOH' which we believe is probably the
best diaphragm model available on the market today - with those
hard to find Spares, being readily available for every model in
the range ..
Unlike the Hi-Blow and Secoh
range - the Medo Brand are piston driven - both of these are of
Japanese Origin and are fully guaranteed against defects for a
full 12 months ...
To compare these Air Pumps
simply click on the brand names and please feel free to print
these details so that you can read them off line ..***
Exploded View of Japanese Air
Pumps - identify the
spare parts ***
SEE OUR 'BARGAINS' PAGE FOR
USED AIR PUMPS - REMOVED FROM OUR OWN SYSTEMS -
CLICK HERE | 
