:.
,
:
\
\
\\
\
\
\
.
_‘
Enüoduction Ï
_
'
49
Some items
of equipment, for instance the aquarium Container
itself, can still be constructed at home with the added advantage of
being matched to the aquarist’s requirements. Equally,
«yÏf
can be adjusted, modified or repaired by the handy aquarist, pr0vided he has a basic understanding of the principles andtechniCal ‘
considerations involved. Many pieces of equipment cannot be used
Without first having some individual attention, and thus thereis a
definite need for the aquarist to becometechnically involved andto
acquire certain skills. Electrical equipment, for instance, is nowadayS
ïiÏ
a feature of almost every aquarium installation, and yet there are
,Ï‘
few aquarists who make use of the services of competent electricians,
although most would gain if they did so. The safety aspects of many
Ï
d0mestic and fish—house electrical installations leave much to be
desired and the loadings imposed on switches and wiring by multiple: :
installations are Sometimes so high as to be‘a fire hazard. The prudent
aquarist should set his mind against these practices from the start.
In the following Chapters the construction and working principles
of some examples of the basic types of equipment are_discussed and
recommendations for safe and simple installation, leading to reliable
usage are given.,A discussion of baSic electrical principles and
;.
calculations is included and connection methods andsafety measures
"
arçäalso ‘dealt with. Ideas for stand—by methods for use in emergencies
‘
are also considered.
'
,
,
"Finally, it should be said that all pieces of equipment
,
maintain a given environment should be complementary:
should not normally duplicate each other’s functions, and every care
,
shoUld be taken to make sure that the aquariumt does
10aded up With redundant
‘
“
—‘
'
"
‘
THE AQUARIUM CONTAINER
-
__
Thé aquarium container must be waterproof, strong
and r1g1d
enough to take the weight of the water it Will hold. It Shouldpro-Ï
vide a good view of its contents and should be ma‘deof
which Will not deteriorate in use nor prove
toxic to the
At the present time in Britain the best commercially
aquaria for general use are those made With “glass sides
'
‘
ied
a nÿlon—coated angle—iron frame, the internal joints
are
with silicone rubber sealant. The glass, of course,glves
‘
all.—found ‘visibility; the angle-iron frame and putty
‘
'
strength and rigidity; the nylon coating makes
the
1mperv1ous to rùst,everiin salt water, and eliminates'painting;and -
‘
use
silicone rubber seala‘nt_ rende'rsf
_—
,
:
\
\
\\
\
\
\
.
_‘
Enüoduction Ï
_
'
49
Some items
of equipment, for instance the aquarium Container
itself, can still be constructed at home with the added advantage of
being matched to the aquarist’s requirements. Equally,
«yÏf
can be adjusted, modified or repaired by the handy aquarist, pr0vided he has a basic understanding of the principles andtechniCal ‘
considerations involved. Many pieces of equipment cannot be used
Without first having some individual attention, and thus thereis a
definite need for the aquarist to becometechnically involved andto
acquire certain skills. Electrical equipment, for instance, is nowadayS
ïiÏ
a feature of almost every aquarium installation, and yet there are
,Ï‘
few aquarists who make use of the services of competent electricians,
although most would gain if they did so. The safety aspects of many
Ï
d0mestic and fish—house electrical installations leave much to be
desired and the loadings imposed on switches and wiring by multiple: :
installations are Sometimes so high as to be‘a fire hazard. The prudent
aquarist should set his mind against these practices from the start.
In the following Chapters the construction and working principles
of some examples of the basic types of equipment are_discussed and
recommendations for safe and simple installation, leading to reliable
usage are given.,A discussion of baSic electrical principles and
;.
calculations is included and connection methods andsafety measures
"
arçäalso ‘dealt with. Ideas for stand—by methods for use in emergencies
‘
are also considered.
'
,
,
"Finally, it should be said that all pieces of equipment
,
maintain a given environment should be complementary:
should not normally duplicate each other’s functions, and every care
,
shoUld be taken to make sure that the aquariumt does
10aded up With redundant
‘
“
—‘
'
"
‘
THE AQUARIUM CONTAINER
-
__
Thé aquarium container must be waterproof, strong
and r1g1d
enough to take the weight of the water it Will hold. It Shouldpro-Ï
vide a good view of its contents and should be ma‘deof
which Will not deteriorate in use nor prove
toxic to the
At the present time in Britain the best commercially
aquaria for general use are those made With “glass sides
'
‘
ied
a nÿlon—coated angle—iron frame, the internal joints
are
with silicone rubber sealant. The glass, of course,glves
‘
all.—found ‘visibility; the angle-iron frame and putty
‘
'
strength and rigidity; the nylon coating makes
the
1mperv1ous to rùst,everiin salt water, and eliminates'painting;and -
‘
use
silicone rubber seala‘nt_ rende'rsf
_—