Sera Gravel Brown 2-3 mm
Going out of range. While supplies last.
The sera Gravel Brown is CO2- resistant and water-neutral, meaning it doesn't affect water parameters or impart color to the water. It consists of ground lava rock and, thanks to its open, porous nature, is an ideal habitat for beneficial bacteria. In this way, it acts as a supportive natural biological filter medium. At the same time, it provides plants with optimal conditions for developing strong roots.
Due to its natural structure, natural gravel is not suitable for keeping bottom-dwelling fish, such as Corydoras .
sera Gravel Brown has been tested by an independent institute according to DIN 38415-6 / EN ISO 15088 and is demonstrably free of harmful substances, making it also suitable for keeping and breeding sensitive animals.
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