The glass nuggets are ideal for decoration and measure around 19mm. You should rinse them thoroughly before using them.
For the substrate, you have the option of using sand, gravel or a mixture of both. It is important to consider the needs of your fish. The gravel should be rounded and have a maximum grain size of 2-3 mm. A recommended gravel layer height is 6-8 cm so that the plants can form sufficient roots.
Amazonas gravel offers a variety of options for all fish species to create a natural habitat suitable for the substrate.
To find out how much gravel you need for your aquarium, you can use the following formula: (length x width x gravel height x 1.6) / 1000
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