Frequently asked questions

Freshwater Diseases

Betta has no upper lip

Hello, this can be due to a disease (was there possibly any kind of skin slime visible?) or an injury. If it was that way from the beginning, a misshaping (e.g. by mineral of...

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Freshwater

Biofilm on the surface

Hello, such a biofilm (which, by the way, may also be greenish) occasionally occurs if there are excess organic pollutants (proteins, carbohydrates, etc.) that serve as nutrients for...

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Freshwater Care

Black algae in a goldfish aquarium

Hello, the pustules and threads are probably black spot and/or beard/brush algae, which biologically belong to the red algae. In this case it is advisable to lower the phosphate and...

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Freshwater Diseases

Black fin edges after a fin rot treatment

Hello, this kind of black edge sometimes occurs after a successfully treated bacterial infection - it usually heals more or less completely. No further treatment is required if there...

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Freshwater Diseases

Black Mollies have protruding eyes and skin slime

Hello, I think fungi are indeed very unlikely, as they look like cotton fluff or mold (which it actually is).In case of milky layers an infestation with bacteria or single celled...

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Freshwater

Bottom gravel is clogged by sludge

Hello, it is in this case advisable to simply use a gravel washer during the water changes. Generally, the problem occurs mainly with coarse gravel. The gaps are simply larger,...

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