Frequently asked questions

Freshwater Food

Which food for spiny eels?

Hello, for example, sera Granured, sera Vipagran and all FD foods are suited for juveniles - preferably soaked to make it sink better (the method is described in the FAQ "How can...

Freshwater

Which materials are suited for building caves?

Hello, generally, anything that allows drilling holes or being modeled and does not release toxic substances is suitable. Non-enameled natural clay (without additives) is...

Freshwater Care

Which measuring range and which steps does the sera pH test kit have?

Hello, the measuring range is from pH 4.5 to pH 9.0 - the steps are each 0.5 pH units. Best regards sera GmbHDr. Bodo Schnell

Freshwater Care

Which plants are suitable for an aquarium with Goldfish and Koi?

Hello, mainly hard species such as Anubias spp. are suitable - these usually also tolerate the lower temperatures without problems. Harder pond plants are generally also suited, but...

Freshwater Fish

Which preconditions are required for Fighting Fish?

Hello, rather soft water, gentle water currents and floating plants are advisable. Do not add very lively or even biting additional fish (barbs!). Fish with large and colorful fins...

Freshwater Technical equipment

Which pump is included with sera internal biofilter B 400?

Hello, the sera internal biofilter B 400 included a sera submergible pump P 700 adjustable - the maximum feed performance of this pump is 650 l/h (170 gph). Best regards sera GmbHD...

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