Frequently asked questions

Freshwater Care

How to decolorize a water sample

Hello, you first need to take a water sample a bit larger than you actually need for the test. Then decolorize this sample by adding active carbon pellets one by one. Stir after each...

Freshwater

Water cloudiness and bottom ground mix-up

Hello, yes, the cloudiness will settle after a few days or is by and by trapped by the filter −  possibly you will need to wash out the prefilter materials if they get clogged.You...

Freshwater Diseases

Water change after/during a sera costapur treatment

Hello, Concerning "partial wate change":In such a situation, you should wait for about 3 days after the last symptoms have vanished before carrying out a partial water change....

Freshwater

Water change rate and filter cleaning

Hello, Concerning "cleaning the filter media":this is alright if it considers only the prefilter media! However it is necessary only when these are clogged so densely that the water...

Freshwater Invertebrates

White worms in the aquarium

Hello, they are rather likely so-called Oligochaetes. The thin diameter compared to the body length and the fact the fish eat them gives hints in this direction. These worms are...

Freshwater Technical equipment

Which fluorescent tubes?

Hello, I recommend the following order: front tube: sera plant color, provided the tank is planted 2. - 4. tube: sera brilliant daylight and/or tropic sun, depending on your...

Retailer search
l