Amazonas Quarzsand Braun 0 - 1 mm Content:5 kg / brown An N or P deficiency

An N or P deficiency can quickly occur in these types of aquarium

plankton and algae

Dadurch verhindert bzw

This was the birth of the Dennerle fertilizer system

Amazonas Quarzsand Braun 0 - 1 mm Content:5 kg / brown An N or P deficiencyThis quartz sand for the aquarium is a natural product and lime free. With a grain size of just 0 to 1 mm, it is very fine and therefore ideal for aquarium inhabitants that like to dig in the substrate. The substrate can be composed of sand, gravel or a mixture of both. Attention should be paid to the needs of the fish in the aquarium. The average gravel should be rounded and have a maximum grain size of 2 to 3 mm. A gravel layer of 6 to 8 cm is