PH Controller in the aquarium

Always keep an eye on the pH value: pH controller at a glance
It is well known that aquariums need a lot of care. This includes keeping an eye on the pH value at all times, as the correct value is essential for the survival of fish and plants.

Why is the pH value important for the aquarium?

The pH value indicates the acidity of the water. It is measured on a scale from 0-14.A pH value of 7 describes neutral water whereas a pH value below 7 describes acidic and above 7 describes alkaline water.

Whether the pool inhabitants (whether fish or plants) grow and thrive or not depends on the optimal water values. The aquarium should therefore be equipped in such a way that both the fish and the plants have the same demands on their environment with regard to the pH-value. The following basic distinctions must be made between aquariums:

  • Freshwater aquariums
  • Saltwater aquariums

The aim is to create a healthy, biological balance in the pool in the long term by optimally adjusting the water values. To achieve this, there are tools such as the pH controller.

What is a pH controller?

As the name suggests, the pH-Controller helps to keep the pH-value of the aquarium in the optimal range for fish and plants. No manual control is necessary, as the pH-Controller collects the required data digitally.

How does a pH-Controller work?

First of all, the desired pH value is communicated to the pH-Controller or set. From now on, the pH value of the aquarium water is measured continuously by means of a pH electrode. The pH-Controller works in two ways:

  • If the pH value is too low, the pH controller opens a solenoid valve and adds CO2 to the water.
  • If the pH value is too high, the pH controller closes a solenoid valve so that CO2 can escape.

What is the relationship between the pH value and carbon dioxide (CO2)?

Carbon dioxide is essential for all plants to grow. This is why they feed on the CO2 present in the aquarium water. The CO2 is produced by the respiration of the fish and bacteria living in the aquarium. As soon as the existing carbon dioxide is used up, biogenic decalcification takes place. This means that the plants in the water extract the vital carbons and thus cause the pH value to rise.

Conclusion

All in all, it can be said that by purchasing a pH controller you have the least work with the CO2 setting of your own aquarium. Especially with very sensitive fish and plants, monitoring by means of a pH controller is a good idea. It must be said, however, that the equipment is very expensive to purchase.

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