Young Macdonald's Farm
CO2
CO2 is mostly controlled by aeration of the water in some cases
by algae. CO2 higher than 2 ppm will cause the pH to be more acid.
Tests can be done to measure the CO2 level with the supplied test
Kit. CO2 levels can be lowered by the addition of more airstones
in the tank.
NOTE: SEE - Remote water quality management
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