Frequently asked questions

Freshwater Technical equipment

How can I remove scratches in the aquarium glass?

Hello, on the outer side it may be possible to use a filler as it is, for instance, used for car glass. This, however, requires an experienced person! Glass polish may sometimes...

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Freshwater Technical equipment

How often should I clean the filter media?

Hello, prefilter materials (in particular, filter wool!) should be regularly and thoroughly rinsed or replaced at the latest when they start to become clogged. Biologically  active...

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Freshwater Technical equipment

How to change the filter felt of a sera air membrane pump

Hello, the rubber stopper is only plugged in and can be lifted with a little screwdriver (or the like). It works in the same way for the smallest model (sera air 110 plus) of the...

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Freshwater Technical equipment

Is it possible to crush sera siporax?

Hello, it is actually possible to crush sera siporax in smaller pieces, but it is not really necessary (any more) since there is sera siporax mini Professional in pellet shape...

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