Foire aux questions

Eau douce Soins

Is additional mineral fertilization required if I already use CO2?

Hello, CO2 does not replace the minerals and trace elements, but the plants require both. Mineral fertilization (e.g. with sera florena and sera florenette) is thus not only...

Eau douce Soins

Is a CO2 system by all means necessary?

Hello, this depends only on the plant species, there are also species that do well without CO2 fertilization. In a slightly simplified manner, you could say that bright green and...

Eau douce Poissons

Is it normal that Altolamprologus calvus grow very slowly?

Hello, Concerning "growth":yes, this is normal! Altolamprologus indeed grow very slowly.A 10 cm female would be a really capital specimen, although they may occasionally reach this...

Eau douce Matériel technique Soins

Is it normal that the tablet quickly dissolves within the sera CO2-Start reactor?

Hello, this is normal and correct. The CO2, however, diffuses slowly through the reactor wall. It therefore gets into the aquarium well dosed and not at once. Best regards sera...

Eau douce

Est-ce que le gravier de 3 - 6 mm convient pour l’aquarium ?

Bonjour, celui-ci n’est pas vraiment idéal. Les restes d'aliments et les déjections des poissons s’enfoncent facilement entre les pierres relativement grandes et, par conséquent, les...

Eau douce Soins

Is another nocturnal switchoff required in addition to the seramic CO2 control unit?

Hello, both is not necessary, the seramic in itself works as a nocturnal switchoff due to pH control! Plants do not take up CO2 at night, the fish continue to breathe it out -...

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