Frequently asked questions

Freshwater Diseases

Is it normal that sera baktopur direct tablets dissolve rather slowly?

Hello, you need to be a bit patient here, the tablets dissolve rather slowly but entirely! This has technical reasons. You can dissolve them in a little water before use without...

Freshwater Care Fish

Is it possible that no elevated nitrite levels can be detected a few days after a nitrite intoxication?

Hello, yes, this is indeed possible. Dangerously high nitrite levels become lower again after a couple of days unless there are no chemicals in the water that inhibit bacteria. The...

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...

Freshwater Fish

Is it possible to keep only female Platies in order to avoid reproduction?

Hello, this is indeed the case, you can expect a litter from each female every 4 - 6 weeks. Basically you can only hold females, but it is usually not successful considering...

Freshwater Technical equipment

Is it possible to use sera floredepot together with an undergravel heater?

Hello, no, there are no objections! Best regards sera GmbHDr. Bodo Schnell

Freshwater Technical equipment

Is it sufficient to only agitate the surface but not aerate the water?

Hello, yes, this is completely alright. The main amount of oxygen is absorbed by the surface and not by aeration - however, the surface is also somewhat increased by bubble...

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