Editing PH Shock
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==Causes== | ==Causes== | ||
− | * | + | *Large water changes performed when the old water has a large pH difference to the new water. |
*[[CO2|CO<sub>2</sub>]] excess during the night or when the supply of CO<sub>2</sub> changes and the [[KH]] level in the water is too low (typically less than 4dKH (~70ppm)) so causing large pH changes. Usually this happens when your water is soft. | *[[CO2|CO<sub>2</sub>]] excess during the night or when the supply of CO<sub>2</sub> changes and the [[KH]] level in the water is too low (typically less than 4dKH (~70ppm)) so causing large pH changes. Usually this happens when your water is soft. |