Bonsai focus growth technology 1l bonsai focus balanced nutrition for all bonsai plants bonsai plants have a very small amount of soil to grow in for this reason it is important to feed them regularly and precisely there is little room for error it is vital to maintain the health and fertility of the soil for the long term success of the plant bonsai focus is a precisely targeted nutritional formulation enriched with humic and fulvic acids as well as seaweed to maintain peak fertility