Frequently asked questions

Freshwater Food Care

"Moss balls" / Food amount

Hello, Concerning "moss ball/requirements/multiply":This is in fact not a moss at all, but a (desired in this case) green alga.It is sufficient to just place it in the tank and rinse...

Freshwater Fish Care

Do Otocinclus (Midget Sucker Catfish) damage plants?

Hello, no, healthy plant leaves will not be damaged. Only already damaged, softened plant parts will be nibbled at, if at all. In any case, the Midget Sucker Catfish require a...

Freshwater Technical equipment Care

Operating a CO2 system without nocturnal switchoff?

Hello, basically, there are the following ways to interrupt CO2 addition at night: a pH regulated solenoid valve (seramic pH Controller) a solenoid valve triggered by a timer a...

Freshwater Care

Does hornwort not grow roots?

Hello, it will grow roots after a few days if you plant it into the bottom gravel. However, these are small and in no way comparable to those of an Echinodorus, Vallisneria etc. The...

Freshwater Care

Blue-green algae / Cyanobacteria

Hello, Blue-green "algae" (more precisely: cyanobacteria, because they are actually not real algae but rather bacteria that are able to perform biosynthesis) unfortunately may be...

Freshwater Care

CO2 dosage

Hello, one bubble per 10 liters (2.2 US gal.) and minute, or 16 bubbles in this case, are a guideline. However, this is really just a rough value, as the actual requirement depends...

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