Frequently asked questions

Freshwater Care

How long may peat granulate (sera super peat) remain in the filter?

Hello, the peat may also remain in the filter for a longer time. However, it will of course lose its effect over the time - the faster, the more and the more often you change water,...

Freshwater Care Technical equipment

How long do pH measuring electrodes last?

Hello, as an average, the electrodes will last approximately 2 years from the date of manufacture. You will find the date on the shaft of the electrode itself - the code consists of...

Freshwater Care

How often can I apply sera phosvec, and how quickly does the effect take place?

Hello, Concerning "re-dose":you can re-dose according to your requirements, i.e. after the cloudiness has deposited. Concerning "effect":it takes place even sooner - the cloudiness...

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...

Freshwater Care Diseases

How can I protect sensitive plants during a treatment?

Hello, Concerning "transplanting":yes, that would be good! However, you should not use an aquarium stocked with fish. Concerning "transmit disease":this is exactly why it is best...

Freshwater

What are "cold water" and "warm water"?

Hello, this question is not as simple as it may look at first! I will start with the most clearly defined section - warm water.This (concerning the fish) refers to species from the...

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