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Eau douce Matériel technique

Water becomes cloudy after a water change

Hello, it sounds as if many (basically beneficial!) bacteria (= milky cloudiness) are swirled up from the bottom gravel during the water change and simply require some time for...

Eau douce Soins

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...

Eau douce

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...

Eau douce Maladies

Changement d'eau après/pendant l'utilisation de sera costapur

Bonjour, Concernant « le changement d'eau partiel » :Avec le changement d'eau partiel, il faut attendre dans une telle situation jusqu'à environ 3 jours après la disparition des...

Eau douce

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...

Eau douce Invertébrés

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...

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