60
“
Eqmg5mem;
…
Ï
—
"
"than one degree different. Â@_uarium
c‘alibrated in degrees fahrenheit and most
still
s€alé
in writing and con—versatiOn, but the ‘ehangeto centigfad—e‘is-ñOW
almost universal and the aquarist should atleast know how to conVert
"
from one scale to the other (Table 6). This‘is carried out using the
-—
following formulaz—
'
Ÿ
'
.
_
_
_
.
,
:_
.îÇ_=°F—32
_
__
5
‘
9
_
‘
_
_
.
For example, to convert 75°F to centigrade:
-
,
_
7
.
Î_Ç_=75—32
_'
43
5
,
_«
°C =
X 5
=
23.9, and 75°F = 24°C
'
"
Table 6. TEMPERATURE CONVERSION CHART
%
°F
"
°c
°F
‘
°c
_
°F
_
,
.
0
'
«
_
55.4
26
‘
—
1
33.3
14
"
57.2
'
27
80.6
‘
,
,2
35.6
15
59.0
28
.
82.4
.—
.
3
37.4
_
.
16
»
60.8
_
‘
‘
L._29._
84.2 . '
…
4
39.2
17
62.6
_,
30
_
86.0 …
‘
5
18
_'64.4'
‘
31
.
—
'
6
_
.
—
42.3
66.2
=
32
89;6
\
«
'
7
44.6
‘
_' 20
68.0<
33
.
‘
‘
8
‘
46.4
21_
69.8
34
.,
_
9
.
48.2
22
_
.
71.6
35
:,
.
—
10
,
;.:- 50.0
23
_
73.4
_
86…
96.3
"f;
"
[11
51.8
24
75.2
'
'
37
'
.
12
*
53.6
.
-
25
.
_
77.0
-
38
'
Where several heaters în separate containers
cohtr—ollêd’bÿ
rhàster…thermostat the folloWing points must be.
are the same then-all— the
of
.
must*bè the samé.and
have *! similar heat
…
V«temperatures‘ maintained will-'varÿ fr6m‘oñe
anotherâ
11:15 very
balänCe up *süisfaCtbrîlÿ systems
. ‘,
}. volumes byprov1dmgheatersof var10us »?Watagesg‘xañd ; thlskllld0f Ï-_1‘
happentotheheater mthemastertank,thethermostatw1llsensea
C01dSltuaüonandrem a1n8w1tchedonAsaresult _t‘lîè othertankswl » Ï _ ' _
becomeoverheated Thethermostatmustofcourseberellableand
*
-