Better gro orchid plus fertilizer is a urea free, professionally formulated fertilizer, containing fast-acting nitrate nitrogenthe key component to enhancing vigorous growth in orchids. It is also contains essential minor elements to combat deficiencies that occur with common soilless potting mixes. It was developed by our own master growers and is the orchid fertilizer of choice for professionals, enthusiasts and anyone serious about the art of cultivating orchids. For optimum growth, it is use in conjunction with better gro orchid bloom booster fertilizer to promote healthy growth and abundant blooms. This product weight 16 ounces.