,
……
‘.
…
…
‘
\
_\
…
.»
,
'
.
_
'
Ÿ
,=Waæp
"
’
“
…
'
'
'
«may aboùnd in fish parasites and disease sporesÇ There are also’rhany—
,
_
small creatures in naturèrlwaterswhich, while they‘do no
at all "
in an aquarium, are of no benefit either and may develop in sufficient
_
numbers to spoil the character and appearance of the desired envirôn—
,
ment. Natural waters are most useful when they are normally assoc—
iated with the particular environment which is required, and natural‘
,
ly contain the fishand other organisms that the…aquarist is concerned
'
'_
with. However, even in this instance, «a natural water should not
‘
automatically be; considered as the very best for
creature.
‘
lt may well be that in its natural state a creature is able to cope With
,
pollutants which, due to the sheer volume and the movement of the
water, are massively diluted. ln the much" smaller volume of an
'
aquarium container use of such water may build up dangerous con—
centrations of such pollutants. Even with regard to this argument
’
however, when aquatic specimens are collected from the
and…
their habits and requirements are not known, as much as possible of
"
their natural water should be collected With them and, at least
initially, used while accusto‘ming them to life in the artificial environ—
ment. Also, if possible the temperature at the depth at which the"
speCimens normally live should be measured and any other relevant - ‘
"environmental factors should be noted. In this way the aquarist Will
be able to reproduce the natural situation as nearly as possible.
,
[
It must be pointed out that if natural waters_of any kind are used
to set up an aquarium, the continued addition of the same water may
or
may not be…necesSary to maintain that environment, depending ,
on
the _circumstances. In a
,
marine situation—,
'
for "instance, the
,,
continual addition of sea water to replace evaporation
Would
,
obvi0uslÿ resultinah
lost…to
the other hand, if hard
alk,ali_ne,water fror{na tap .is addedto a
,,
«:
'
ment,thewatw1ll tend to bËc0meneutral and the benefits of the
reduced. In Soft water environments any gravel“
"
or rockwork present will in any case gradùally tend to
'
the water, or even change it c‘empletelÿ over a long period of
_
so
that ‘topping up’ with the original soft water is desirable. These
"
comments
suppose, of course, that the aquarist is not speÇificàlly’
setting out to change and maintain
character of the waterby
_
artificial chemical additions. If he does so and runs regular tests an‘df/ f
lscondent of his methods, he “can use any good availablebwatëf Ï ”
andattempt wgîË°Â1-CQmPÇHSEIÏC “for its deficiencieS, Theseprocedures,Ë
«
_
are- onlyrecommended
conrmed dabblers or those w1thspeœal
,
-
,,
,
,« ;, ,
,’ ,_
,
,
'
_,
.
……
‘.
…
…
‘
\
_\
…
.»
,
'
.
_
'
Ÿ
,=Waæp
"
’
“
…
'
'
'
«may aboùnd in fish parasites and disease sporesÇ There are also’rhany—
,
_
small creatures in naturèrlwaterswhich, while they‘do no
at all "
in an aquarium, are of no benefit either and may develop in sufficient
_
numbers to spoil the character and appearance of the desired envirôn—
,
ment. Natural waters are most useful when they are normally assoc—
iated with the particular environment which is required, and natural‘
,
ly contain the fishand other organisms that the…aquarist is concerned
'
'_
with. However, even in this instance, «a natural water should not
‘
automatically be; considered as the very best for
creature.
‘
lt may well be that in its natural state a creature is able to cope With
,
pollutants which, due to the sheer volume and the movement of the
water, are massively diluted. ln the much" smaller volume of an
'
aquarium container use of such water may build up dangerous con—
centrations of such pollutants. Even with regard to this argument
’
however, when aquatic specimens are collected from the
and…
their habits and requirements are not known, as much as possible of
"
their natural water should be collected With them and, at least
initially, used while accusto‘ming them to life in the artificial environ—
ment. Also, if possible the temperature at the depth at which the"
speCimens normally live should be measured and any other relevant - ‘
"environmental factors should be noted. In this way the aquarist Will
be able to reproduce the natural situation as nearly as possible.
,
[
It must be pointed out that if natural waters_of any kind are used
to set up an aquarium, the continued addition of the same water may
or
may not be…necesSary to maintain that environment, depending ,
on
the _circumstances. In a
,
marine situation—,
'
for "instance, the
,,
continual addition of sea water to replace evaporation
Would
,
obvi0uslÿ resultinah
lost…to
the other hand, if hard
alk,ali_ne,water fror{na tap .is addedto a
,,
«:
'
ment,thewatw1ll tend to bËc0meneutral and the benefits of the
reduced. In Soft water environments any gravel“
"
or rockwork present will in any case gradùally tend to
'
the water, or even change it c‘empletelÿ over a long period of
_
so
that ‘topping up’ with the original soft water is desirable. These
"
comments
suppose, of course, that the aquarist is not speÇificàlly’
setting out to change and maintain
character of the waterby
_
artificial chemical additions. If he does so and runs regular tests an‘df/ f
lscondent of his methods, he “can use any good availablebwatëf Ï ”
andattempt wgîË°Â1-CQmPÇHSEIÏC “for its deficiencieS, Theseprocedures,Ë
«
_
are- onlyrecommended
conrmed dabblers or those w1thspeœal
,
-
,,
,
,« ;, ,
,’ ,_
,
,
'
_,
.