ADVANCED HYDROPONICS - DUTCH FORMULA BLOOM - 1LThe flowering stage is the productive part of a plant? s life. Dutch Formula BLOOM is a "power diet" for the flower production. BLOOM assures that your plants will receive the correct balance of nutrients to encourage the optimum growth of superior quality flowers Use 3 formulas: from the first to the third week F1 1 2ML L F2 0. 5 ML L F3 0. 5ml liter from the fourth to the sixth week F1 2ML L F2 1L L F3 1ML L from the seventh week to eleventh week F2