Calm Paws Calming Disk for Dog Collars Size:1 Count - Aquarium size: Up to

- Aquarium size: Up to 75 gallons

An LED fixture is required for use

The Life Rock has extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance

Perfect for quick water changes

Calm Paws Calming Disk for Dog Collars Size:1 Count - Aquarium size: Up toThe Calm Paws Calming Disk easily attaches to any dog collar or harness and provides a constant source of naturally calming essential oils. The Calming Disk provides calming support for a variety of stress related behaviors, and glows in the dark for visibility. Contains natural essential oils from lavender fields Calming support for stress related behaviors Effective against marking, restlessness, excessive barking and jumping Lasts up to 21 days