Features:
The Velda Bio Filter Balls are the extra addition to the filtering process. The bio balls are a good filter medium for any filter. Due to the large surface of a filter ball, it attracts many nitrifying bacteria. These provide the natural balance in the pond.
Addition to the filtering process
You place the Velda Bio filter balls in the biological pond filter. Here the balls ensure the filtration of coarse and small dirt particles. Due to the open structure, there is a high filtering speed. This allows the water to flow easily while the dirt particles remain.
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