Frequently asked questions

Marine water

Can I also use tap water for preparing saltwater?

Hello, Concerning "R/O water/tap water":water completely deionized by reverse osmosis (R/O) or ion exchange is virtually free from potentially harmful substances, which cannot be...

Freshwater Diseases

Can I combine sera baktopur and sera costapur?

Hello, a combination with sera costapur (both in normal dosage) is possible. However, you can also use the broad range treatment sera omnipur instead, as it has been developed...

Terrarium

Can I keep a tortoise in a discarded aquarium?

Hello, no, discarded aquariums are not suitable for this purpose alone for their size, which is almost always too small. Tortoises require rather much space, you should at least...

Freshwater Pond Fish

Can I keep aquarium fish in a pond during summer?

Hello, plants growing up to the surface (floating plants and/or plants that reach the surface) should be present especially near the banks as to provide shelter (also from birds!). ...

Freshwater Fish

Can I keep butterfly cichlids and angelfish together?

Hello, considering only the species, keeping them together would be possible. However, the tank is already too small for the angelfish alone. 200 liters (44 US gal.) at 50 cm (20...

Freshwater Fish

Can I keep male Guppies without females?

Hello, this is not really optimal - besides, it is going to become difficult to actually get Otocinclus affinis: This species is almost never available in the trade; the fish sold...

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