GuanoKalong GK-Organics Bloom 1 l is a 100% organic NK liquid fertilizer with a low salt content, especially for the flowering phase of plants. Made from bat droppings, rich in NK 2.5-6, calcium, magnesium and trace elements, this fertilizer has a positive effect on the microflora of the substrate. Recommended dosage: 1-2 ml/l in the flowering phase. Can be combined with Guanokalong powder or pellets and Allmix substrate for maximum effect.