These liquid water-purification bacteria immediately starts cleaning your pond biologically! They help to create a biological balance, clear the water and promote healthy plant growth.Dosage: 25 ml (= 1 measuring cup) per 2500 litres of pond water. Composition: contains 2.5 billion Bacillus spp. per 25 ml in spore form. Storage: do not store in direct sunlight and keep tightly closed at room temperature. Keep out of the reach of children.TIP maintenance: repeat the treatment 4 times a year.