Effectively fights against moss. Periods of use: from February to May inclusive and from September to November inclusive. Made from a mixture of seaweed and comfrey extracts. Capacity: 1000 ml. Product ready to use. Shake before use. Allows to treat up to 50 m², i.e. a cost price of €0.30/m². Contains seaweed and comfrey extracts. How to use: Preventive intake is preferable for better results. Likely to stain tiles, tiles, or other surfaces. Do not use during frost. Technical characteristics: 2% total nitrogen (N), including 1.7% organic nitrogen, 5% potassium oxide (K20) soluble in water. Appearance: brown liquid. Smell: characteristic. pH: acidic. To be used only when there is a recognized need. Do not exceed doses.