Help break down organic waste and neutralize odors with the All Living Things Probiotic Spray. Discourages toxic ammonia build-up. Exclusively at PetSmart. Features: Contains enzymes and beneficial bacteria Includes: 1 Bottle of Probiotic Spray Size: Net Wt. 4 fl oz (118.2 mL) Caution: Not for human consumption. Directions For Use: Mist the habitat substrate and water 2 to 3 times a week or as needed. Use as intended to support a safe and healthy environment for your hermit crabs. Safe when used as directed.