Grow More 2-2-2 Lucky Bamboo Fertilizer is mixed at the rate of 1/2 - 1 tsp. per gallon of water once per month as needed. If you use a smaller amount of water you would just need to divide that by how ever much you intend to use. IE if you are using a quart of water divide by 4 since there are 4 quarts in a gallon.