Frequently asked questions

Freshwater Diseases

Angelfish has damaged fins

Hello, no, I do not - to shorten the fins is advisable only in very few exceptional situations (Lymphocystis in the outer fin zones). Feeling in the fins is unlikely as long as the...

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Freshwater Diseases

Angelfish have damaged fins after transfer

Hello, 4 angelfish in a 100 liter (22 US gal.) tank: this will not be successful in the long term! Just 2 angelfish already require at least 200 liters (44 US gal.) - permanently...

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Freshwater Fish

Are Butterfly Cichlids suitable predators for Guppy babies?

Hello, yes, they would - provided the water parameters are suitable (soft, slightly acidic, very good water hygiene). Butterfly cichlids are very sensitive concerning these matters. ...

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Freshwater

Are clam and snail shells harmful in an aquarium?

Hello, there are no objections (except that it may appear optically unnatural, but this is a mere question of taste and does not bother the fish), provided the shells are free from...

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Freshwater Care

Available water is strongly polluted with iron

Hello, there is actually only the possibility of completely deionizing the water.Preferably with an ion exchange system rather than a reverse osmosis (R/O) unit, since iron tends to...

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