Frequently asked questions

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. ...

Freshwater Technical equipment

Is sera siporax suitable for housing anaerobic bacteria?

Hello, yes it does. We recommend 1 liter sera siporax Professional per each 100 liters (22 US gal.) [instead of 200 liters (44 US gal.), as usual] of water, or even more. This will...

Freshwater

Setting up a low-current tank for gouramis

Hello, Concerning "pond soil":I generally do not recommend using soil, including pond soil, in aquariums.Some kinds of soil are very rich in nutrients (however, this rather applies...

Freshwater Diseases

Female Pearl Gourami is strongly bloated on one side

Hello, possible causes include a swim bladder injury, an ileus or a tumor, possibly also a cyst. Sudden occurrence (i.e. not a continuing development of the symptoms)  would make a...

Freshwater

Does "ironwood" contain iron that can be taken up by plants?

Hello, no, at least not in larger amounts than other kinds of wood.The common name refers to the high hardness and the high density of the wood. Best regards sera GmbHDr. Bodo...

Freshwater Care

Does sera blackwater aquatan contain formaldehyde?

Hello, yes, this is indeed the case - sera blackwater aquatan does not contain any formaldehyde. Best regards sera GmbHDr. Bodo Schnell

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