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Need to install an aerator? JBL

Carassius auratus, Tiefflieger picture

aerators are nothing more than a pump that delivers air-air and say it may be introducing other gases than oxygen, which is what we want, in the aquarium. The aerator has its uses, we will not deny, but also has its disadvantages, for example in a planted aquarium.

In the latter case, the problems are mainly to pay _{CO 2} , because this way the precious gas would not be diluted in water. That is why also not recommended commonly called cascade filters. By paying with this gas (with the aquarium light on) are helping the plants to perform photosynthesis, and this what we get is to expel oxygen to water, so far known do not need the bomb. But when night comes, and therefore, time to turn off the screen, the plant behavior is reversed, do not do photosynthesis and begin to absorb oxygen gas by competing all animals in the aquarium, so that at night it is advisable to install a small aerator, or place the filter outflow so do some surface agitation.

On the other side and continuing with the last lines of the preceding paragraph, in order to make the change of gases is not necessary to have a stream of bubbles from breaking into the surface of our fragile ecosystem. Enough to have a continuous movement to take place, this is strongly discouraged in the case of planted aquariums that are being paid by gas.

There is another curious case, that of African cichlids, these colorful fish are playful (break with everything, so I do not advise putting an aerator) can not coexist with plants and require some current and highly oxygenated water for Therefore, the best option is to let the filter output then what you do best, have a strong water jet, you do not bubbly, but there is a small wave to and involve the exchange of gases.