From the 2nd day of growth to the 3rd or 4th week of the bloom, depending on the top size, give in gradually increasing doses.If the soil is nutrient-rich, give this mixture 1 to 3x per week. Give daily if the soil is nutrient-poor or if you use hydroponic growth methods. Water every day as needed. Be careful not to overdose. Store in a dark and frost-free place. In the event of eye contact rinse eyes immediately with water. Keep out of reach of children.