How noisy is the sera fil external filter?
Hello, the sera fil external filters are very quiet - they are hardly noticed during normal operation. Of course they should be placed resonance free, furthermore make sure the...
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Internal filter sera F 400 - is it possible to redirect the water current?
Hello, the instructions for use can be downloaded from our web site, and of course we also e-mail them on request! The filter must indeed be completely submerged. You can redirect...
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...
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...
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...
Keep Firemouth and Convict Cichlids (Thorichthys meeki/Cryptoheros nigrofasciatus) together?
Hello, "exactly the same" is maybe a bit too strong, but at least they originate from similar biotopes. The species do not get along very well with each other (if both are in the...