.

Pet |
-- TABELA DA RELAÇÃO ENTRE o NÍVEL DO CO2 , o pH e a KH
CO2 em mg/l = PPM - DUREZA CARBONATADA KH em DH
pH
6,0
6,2
6,4
6,6
6,8
7,0
7,20
7,4
7,6
7,8
8,0
KH 0,5
15,0
9,3
5,9
3,7
2,4
1,5
0,93
0,59
0,37
0,24
0,15
1,0
30,0
18,6
11,8
7,4
4,7
3,0
1,86
1,18
0,74
0,47
0,30
1,5
44,0
28,0
17,6
11,1
7,0
4,4
2,80
1,76
1,11
0,70
0,44
2,0
59,0
37,0
24,0
14,8
9,4
5,9
3,70
2,40
1,48
0,94
0,59
2,5
73,0
46,0
30,0
18,5
11,8
7,3
4,60
3,00
1,85
1,18
0,73
3,0
87,0
56,0
35,0
22,0
14,0
8.7
5,60
3,50
2,20
1,40
0,87
3,5
103,0
65,0
41,0
26,0
16,4
10,3
6,60
4,10
2,60
1,64
1,03
4,0
118,0
75,0
47,0
30,0
18,7
11,8
7,60
4,70
3,00
1,87
1,18
5,0
147,0
93,0
59,0
37,0
23,0
14,7
9,30
5,90
3,70
2,30
1,47
6,0
177,0
112 ,0
71,0
45,0
28,0
17,7
11,20
7,10
4,50
2,80
1,77
8,0
240,0
149,0
94,0
59,0
37,0
24,0
14,90
9,40
5,90
3,7
2,30
10,0
300,0
186,0
118,0
74,0
47,0
30,0
18,60
11,80
7,40
4,7
3,00
15,0
440,0
280,0
176,0
111,0
70,0
44,0
28,00
17,60
11,10
7,00
4,40
20,0
590,0
370,0
240,0
148,0
94,0
59,0
37,00
24,00
14,80
9,40
5,90

EXCESSO  CO2
NÍVEL  BOM
CARÊNCIA CO2

 

-- SOLUBILIDADE DO OXIGÊNIO NA ÁGUA
Temperatura  oF
30
50
60
70
80
90
Temperatura   oC
1,11
10
15,6
21,1
26,7
32
Oxigênio  cm3 / litro
10
7,8
6,9
6,3
5,7
5

 

-- VARIAÇÃO DO pH DA ÁGUA PURA EM FUNÇÃO DA TEMPERATURA
DUREZA 0,  CONDUTIVIDADE ABAIXO DE 1 µS cm-1
Temperatura   oC
10
20
30
40
pH
7,2
7
6,9
6,79