Dennerle POND Algae Stop

This preparation is an effective product against filamentous algae and greening of the water. For a clean, healthy lake environment. Natural barley straw suppresses the growth of algae or causes the death of existing algae. Peat humus, oak bark and alder cones lower and regulate the pH value. Dosage: 3 measured spoons per 1000 liters of water. For prevention: 1 and 1/2 spoon per 1000 liters of water.