Peat (sera super peat) against algae?
Hello, peat is indeed active against algae, even in two different ways:many algae grow better in alkaline water containing carbonate than in acidic water low in carbonates - and...
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pH value remains below 6.5 even after a water change
Hello, Concerning "R/O water":just a remark: the pH value of R/O water is not really important - it can vary strongly as it is not buffered. Furthermore, conventional pH electrodes...
Piranhas in an aquarium
Hello, I will split the answer into a number of different topics! Setup:a very large aquarium (at least 1,000 liters for 5 fish, preferably more) with sand bottom (the fish dig...
Platies: How can I detect pregnancy, how often do the fish give birth?
Hello, the unborn fry are visible as a gravid spot (a dark spot diagonally above the anal fin). Just before birth, even the eyes of the fry can be seen through the skin of their...
Position of the sera F 700
Hello, yes, that concerns the complete filter! Make sure that no sand/gravel can get in and possibly damage the rotor, when place it on the bottom! Best regards sera GmbHDr. Bodo...
Pressure filters in saltwater?
Hello, yes, the pressure filters are suitable for this purpose without any restrictions. Here they are (maximum width, measured at the steel sealing ring / total height; all...