sera pond phosvec
Protects against algae
Phosphate is the most important algae nutrient. It quickly enriches in ponds as a breakdown product. This is then almost always followed by massive and, correspondingly, dangerous algae multiplication. sera pond phosvec binds phosphate quickly, gently and lastingly. The uncontrolled multiplication of annoying algae is inhibited from the beginning and stopped lastingly by this effective, sustainable nutrient limiting preventive measure.