Eau douce Matériel technique How can I regulate the suction with the sera gravel washer? Hello, you can regulate the water flow and, correspondingly, the suction by simply covering the free end of the hose partially with your thumb. Best regards sera GmbHDr. Bodo... Voir la réponse complète
Eau douce Soins How can I lower the water hardness? Hello, Concerning "lowering the GH level":this is within certain limits (some hardness degrees) possible with blackpeat granulate (sera super peat). More extensive lowering (e.g. for... Voir la réponse complète
Eau douce Maladies How can I help a fish with unspecific symptoms? Hello, without specific disease symptoms you will unfortunately not be able to do much more than put the fish into a separate tank, provide plenty of oxygen in the water (possibly... Voir la réponse complète
Eau douce Matériel technique How can I build a bypass filter for denitrification? Hello, the construction principle is actually very easy:all you need is a chamber equipped with intake and an outlet connectors, which is filled with sera siporax Professional (0.5... Voir la réponse complète
Bassin Eau douce Poissons How can I hibernate goldfish living in a pond indoors? Hello, goldfish can hibernate in cold (4 - 6°C) water (in that case do not feed nor disturb them) Usually, temperatures inside the house (including the basement) are higher, so the... Voir la réponse complète
Eau douce Soins Quelle est la meilleure manière de fixer de la mousse sur une racine ? Bonjour, ce n'est que temporaire - le fil peut être retiré après quelques semaines (le couper et l’enlever), quand la mousse a bien pris racine ! Si vous rincez un fil de coton à... Voir la réponse complète