How to add acid?
pH < 5.8
1
Start with higher pH level
6
2 3 4 5
7 8
Add a bit more (1 ml) acid
Lower
7
6
If pH 5.5?
Yes
2
3
4
5
Fill tank with water 100 l
Check pH (7.3)
Add acid < 5 ml
Add 05
Higher
Public
Add a bit more water
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