Frequently asked questions

Freshwater Care Technical equipment

Cleaning pH electrodes

Hello, pH electrodes made of glass (or in case of those made of plastic: all glass parts) are indeed very sensitive, also and especially towards mechanical damage. For cleaning, a...

Freshwater Care Technical equipment

Conductivity of R/O water

Hello, 60 µS/cm are indeed rather high for R/O water, this might indicate a mistake while measuring (e.g. miscalibration), dirty water containers or even a faulty R/O unit! A...

Freshwater Diseases Technical equipment

Disinfect quarantine tanks after use?

Hello, basically, thorough rinsing and allowing to dry is sufficient. If you wish to proceed particularly carefully you can wipe the tank with a "paste" made of sera ectopur and...

Freshwater Technical equipment

Do I put the sera plant color in the front or in the back position?

Hello, this is most probably a sera plant color. The aquarium inhabitants do not mind - however, most aquarists prefer to place the sera plant color in the front position. Reason:...

Freshwater Pond Technical equipment

Does a UVC clarifier harm useful bacteria?

Hello, all bacteria dwelling in open water and thus being carried past the UV light will be killed. Therefore, filter bacteria are usually not affected since they settle in the...

Freshwater Fish Technical equipment

Does nocturnal LED lighting disturb sleeping fish?

Hello, there should be no problems, provided the light intensity of the LEDs is not too high - in nature, the animals have to live with moonshine as well! You can easily find out...

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