Vincia Maërl Crystal - Algae Control for Pond Water with Low Phosphate Content

Vincia Maërl Crystal is a natural product, having a very low phosphate content. It is pre-eminently suitable for new ponds and to make turbid water clear and healthy. Vincia Maërl Crystal increases the general hardness of pond water and activates the development of micro-organisms. Is is very easy to use. Sprinkle the granules straight into the pond.