sera guide - How to set up an aquarium according to nature

The bottom gravel is the basis for the successful plant and fish care. It offers a large settlement surface for the bacteria which break down the pollutants. In addi- tion, it provides a support for the plants. Fill sera floredepot gravel fertilizer into the aquarium, maximum filling height: two cen- timeters (0.8 in.). Cover it with a 5 cm (2 in.) freshly washed layer of finely grained aquarium gravel. During the initial phase, sera floredepot provides the plants with nutrients (for 4 – 6 weeks) that the plants need for strong roots and green leaves. Distribute sera flore depot evenly on the space assigned for planting (see sketch on page 40, please). As a “covering layer,” finely-grained (2 – 4 mm) aquarium gravel or river sand with a grain size of 1.5 mm is used. Please make sure not to use sharp-edged gravel (e.g., basalt chippings or fired ceramic chippings), as grubbing fish such as armored catfish otherwise get injured. The gravel should be dark, in no case bright white. Bright gravel irritates the fish and causes stress. Furthermore, the splendid colors of the ornamental fish look even better above dark gravel. 41 Purchase aquarium gravel only from spe- cialized retailers, never from building mate- rial stores or the like! At the specialized retailer’s you may be sure that the gravel does not release pollutants into the aquari- um water. Clean the gravel thoroughly under running water before use. Fill in bottom gravel 1 Decoration and technical equipment Now you can install the sera filter (fig.: sera fil 60) (see page 28, please) and the sera aquarium heater. Build a little underwater landscape from well-cleaned rocks and roots from the specialized trade that you have washed with scalding water. This will allow the fish to form their territories and hide. 2 5Set up an aquarium in steps

sera guide - How to set up an aquarium according to nature

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