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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...

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...

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...

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...

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...

Hola, se trata de una situación temporal - se puede quitar el hilo tras unas semanas (cortar y quitar), tan pronto como el musgo se haya fijado. Siempre que el hilo de algodón se...