Ona Gel Apple Crumble, 44lb 5 gallonONA (Odor Neutralizing Agent) products are designed using scientific principles of molecular bonding. Two odors can offset one another when they combine to form a bond. ONA's active ingredients come from a blend of 32 essential oils and plant derived compounds that bond with and neutralize a wide array of odors. ONA Gel is saturated with ONA liquid concentrate; gardeners simply remove the lid from the jar or pail to expose it to the air and remove